Home / 38,240.12-52,771.98-21,472.76

Finding the Fourth Proportional to 38,240.12, 52,771.98 and 21,472.76

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Solution

The fourth proportional to 38,240.12, 52,771.98 and 21,472.76 is: 29,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.12 : 52,771.98 = 21,472.76 : x
  2. Step 2: Convert to fraction form
    38,240.12/52,771.98 = 21,472.76/x
  3. Step 3: Cross multiply
    38,240.12x = 52,771.98 × 21,472.76
  4. Step 4: Simplify right side
    38,240.12x = 1,133,160,061.26
  5. Step 5: Solve for x
    x = 1,133,160,061.26/38,240.12
  6. Step 6: Final answer
    x = 29,632.75

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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.