Home / 38,488.72-53,129.64-29,053.84

Finding the Fourth Proportional to 38,488.72, 53,129.64 and 29,053.84

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Solution

The fourth proportional to 38,488.72, 53,129.64 and 29,053.84 is: 40,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.72 : 53,129.64 = 29,053.84 : x
  2. Step 2: Convert to fraction form
    38,488.72/53,129.64 = 29,053.84/x
  3. Step 3: Cross multiply
    38,488.72x = 53,129.64 × 29,053.84
  4. Step 4: Simplify right side
    38,488.72x = 1,543,620,059.82
  5. Step 5: Solve for x
    x = 1,543,620,059.82/38,488.72
  6. Step 6: Final answer
    x = 40,105.78

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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.