Home / 38,472.52-53,094.75-21,480.11

Finding the Fourth Proportional to 38,472.52, 53,094.75 and 21,480.11

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Solution

The fourth proportional to 38,472.52, 53,094.75 and 21,480.11 is: 29,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.52 : 53,094.75 = 21,480.11 : x
  2. Step 2: Convert to fraction form
    38,472.52/53,094.75 = 21,480.11/x
  3. Step 3: Cross multiply
    38,472.52x = 53,094.75 × 21,480.11
  4. Step 4: Simplify right side
    38,472.52x = 1,140,481,070.42
  5. Step 5: Solve for x
    x = 1,140,481,070.42/38,472.52
  6. Step 6: Final answer
    x = 29,644.04

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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.