Home / 38,502.52-53,132.91-21,507.02

Finding the Fourth Proportional to 38,502.52, 53,132.91 and 21,507.02

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Solution

The fourth proportional to 38,502.52, 53,132.91 and 21,507.02 is: 29,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.52 : 53,132.91 = 21,507.02 : x
  2. Step 2: Convert to fraction form
    38,502.52/53,132.91 = 21,507.02/x
  3. Step 3: Cross multiply
    38,502.52x = 53,132.91 × 21,507.02
  4. Step 4: Simplify right side
    38,502.52x = 1,142,730,410.96
  5. Step 5: Solve for x
    x = 1,142,730,410.96/38,502.52
  6. Step 6: Final answer
    x = 29,679.37

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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.