Home / 38,342.50-52,912.65-21,575.86

Finding the Fourth Proportional to 38,342.50, 52,912.65 and 21,575.86

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Solution

The fourth proportional to 38,342.50, 52,912.65 and 21,575.86 is: 29,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.50 : 52,912.65 = 21,575.86 : x
  2. Step 2: Convert to fraction form
    38,342.50/52,912.65 = 21,575.86/x
  3. Step 3: Cross multiply
    38,342.50x = 52,912.65 × 21,575.86
  4. Step 4: Simplify right side
    38,342.50x = 1,141,635,928.63
  5. Step 5: Solve for x
    x = 1,141,635,928.63/38,342.50
  6. Step 6: Final answer
    x = 29,774.69

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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.