Home / 57,637.98-86,449.68-15,521.42

Finding the Fourth Proportional to 57,637.98, 86,449.68 and 15,521.42

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Solution

The fourth proportional to 57,637.98, 86,449.68 and 15,521.42 is: 23,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.98 : 86,449.68 = 15,521.42 : x
  2. Step 2: Convert to fraction form
    57,637.98/86,449.68 = 15,521.42/x
  3. Step 3: Cross multiply
    57,637.98x = 86,449.68 × 15,521.42
  4. Step 4: Simplify right side
    57,637.98x = 1,341,822,008.27
  5. Step 5: Solve for x
    x = 1,341,822,008.27/57,637.98
  6. Step 6: Final answer
    x = 23,280.17

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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.