Home / 39,616.02-54,670.19-21,711.69

Finding the Fourth Proportional to 39,616.02, 54,670.19 and 21,711.69

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Solution

The fourth proportional to 39,616.02, 54,670.19 and 21,711.69 is: 29,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.02 : 54,670.19 = 21,711.69 : x
  2. Step 2: Convert to fraction form
    39,616.02/54,670.19 = 21,711.69/x
  3. Step 3: Cross multiply
    39,616.02x = 54,670.19 × 21,711.69
  4. Step 4: Simplify right side
    39,616.02x = 1,186,982,108.96
  5. Step 5: Solve for x
    x = 1,186,982,108.96/39,616.02
  6. Step 6: Final answer
    x = 29,962.17

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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.