Home / 39,740.12-59,573.12-13,426.46

Finding the Fourth Proportional to 39,740.12, 59,573.12 and 13,426.46

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Solution

The fourth proportional to 39,740.12, 59,573.12 and 13,426.46 is: 20,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.12 : 59,573.12 = 13,426.46 : x
  2. Step 2: Convert to fraction form
    39,740.12/59,573.12 = 13,426.46/x
  3. Step 3: Cross multiply
    39,740.12x = 59,573.12 × 13,426.46
  4. Step 4: Simplify right side
    39,740.12x = 799,856,046.68
  5. Step 5: Solve for x
    x = 799,856,046.68/39,740.12
  6. Step 6: Final answer
    x = 20,127.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.