Home / 39,916.07-59,875.92-13,621.04

Finding the Fourth Proportional to 39,916.07, 59,875.92 and 13,621.04

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Solution

The fourth proportional to 39,916.07, 59,875.92 and 13,621.04 is: 20,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.07 : 59,875.92 = 13,621.04 : x
  2. Step 2: Convert to fraction form
    39,916.07/59,875.92 = 13,621.04/x
  3. Step 3: Cross multiply
    39,916.07x = 59,875.92 × 13,621.04
  4. Step 4: Simplify right side
    39,916.07x = 815,572,001.98
  5. Step 5: Solve for x
    x = 815,572,001.98/39,916.07
  6. Step 6: Final answer
    x = 20,432.17

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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.