Home / 38,932.98-53,724.27-21,931.80

Finding the Fourth Proportional to 38,932.98, 53,724.27 and 21,931.80

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Solution

The fourth proportional to 38,932.98, 53,724.27 and 21,931.80 is: 30,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.98 : 53,724.27 = 21,931.80 : x
  2. Step 2: Convert to fraction form
    38,932.98/53,724.27 = 21,931.80/x
  3. Step 3: Cross multiply
    38,932.98x = 53,724.27 × 21,931.80
  4. Step 4: Simplify right side
    38,932.98x = 1,178,269,944.79
  5. Step 5: Solve for x
    x = 1,178,269,944.79/38,932.98
  6. Step 6: Final answer
    x = 30,264.06

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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.