Home / 39,638.02-59,463.18-13,340.71

Finding the Fourth Proportional to 39,638.02, 59,463.18 and 13,340.71

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Solution

The fourth proportional to 39,638.02, 59,463.18 and 13,340.71 is: 20,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.02 : 59,463.18 = 13,340.71 : x
  2. Step 2: Convert to fraction form
    39,638.02/59,463.18 = 13,340.71/x
  3. Step 3: Cross multiply
    39,638.02x = 59,463.18 × 13,340.71
  4. Step 4: Simplify right side
    39,638.02x = 793,281,040.06
  5. Step 5: Solve for x
    x = 793,281,040.06/39,638.02
  6. Step 6: Final answer
    x = 20,013.13

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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.