Home / 39,737.62-54,837.30-21,832.30

Finding the Fourth Proportional to 39,737.62, 54,837.30 and 21,832.30

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Solution

The fourth proportional to 39,737.62, 54,837.30 and 21,832.30 is: 30,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.62 : 54,837.30 = 21,832.30 : x
  2. Step 2: Convert to fraction form
    39,737.62/54,837.30 = 21,832.30/x
  3. Step 3: Cross multiply
    39,737.62x = 54,837.30 × 21,832.30
  4. Step 4: Simplify right side
    39,737.62x = 1,197,224,384.79
  5. Step 5: Solve for x
    x = 1,197,224,384.79/39,737.62
  6. Step 6: Final answer
    x = 30,128.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.