Home / 31,235.40-43,105.74-17,088.96

Finding the Fourth Proportional to 31,235.40, 43,105.74 and 17,088.96

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Solution

The fourth proportional to 31,235.40, 43,105.74 and 17,088.96 is: 23,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.40 : 43,105.74 = 17,088.96 : x
  2. Step 2: Convert to fraction form
    31,235.40/43,105.74 = 17,088.96/x
  3. Step 3: Cross multiply
    31,235.40x = 43,105.74 × 17,088.96
  4. Step 4: Simplify right side
    31,235.40x = 736,632,266.63
  5. Step 5: Solve for x
    x = 736,632,266.63/31,235.40
  6. Step 6: Final answer
    x = 23,583.25

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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.