Home / 29,143.34-40,232.34-19,087.19

Finding the Fourth Proportional to 29,143.34, 40,232.34 and 19,087.19

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Solution

The fourth proportional to 29,143.34, 40,232.34 and 19,087.19 is: 26,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.34 : 40,232.34 = 19,087.19 : x
  2. Step 2: Convert to fraction form
    29,143.34/40,232.34 = 19,087.19/x
  3. Step 3: Cross multiply
    29,143.34x = 40,232.34 × 19,087.19
  4. Step 4: Simplify right side
    29,143.34x = 767,922,222.29
  5. Step 5: Solve for x
    x = 767,922,222.29/29,143.34
  6. Step 6: Final answer
    x = 26,349.84

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Half scale
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Double scale
Find fourth proportional to 29,144.34, 40,233.72 and 19,088.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.