Home / 39,734.29-59,531.37-20,972.99

Finding the Fourth Proportional to 39,734.29, 59,531.37 and 20,972.99

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Solution

The fourth proportional to 39,734.29, 59,531.37 and 20,972.99 is: 31,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.29 : 59,531.37 = 20,972.99 : x
  2. Step 2: Convert to fraction form
    39,734.29/59,531.37 = 20,972.99/x
  3. Step 3: Cross multiply
    39,734.29x = 59,531.37 × 20,972.99
  4. Step 4: Simplify right side
    39,734.29x = 1,248,550,827.70
  5. Step 5: Solve for x
    x = 1,248,550,827.70/39,734.29
  6. Step 6: Final answer
    x = 31,422.50

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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.