Home / 55,588.19-76,712.60-30,436.07

Finding the Fourth Proportional to 55,588.19, 76,712.60 and 30,436.07

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Solution

The fourth proportional to 55,588.19, 76,712.60 and 30,436.07 is: 42,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.19 : 76,712.60 = 30,436.07 : x
  2. Step 2: Convert to fraction form
    55,588.19/76,712.60 = 30,436.07/x
  3. Step 3: Cross multiply
    55,588.19x = 76,712.60 × 30,436.07
  4. Step 4: Simplify right side
    55,588.19x = 2,334,829,756.01
  5. Step 5: Solve for x
    x = 2,334,829,756.01/55,588.19
  6. Step 6: Final answer
    x = 42,002.27

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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.