Home / 38,290.08-52,842.60-21,294.48

Finding the Fourth Proportional to 38,290.08, 52,842.60 and 21,294.48

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Solution

The fourth proportional to 38,290.08, 52,842.60 and 21,294.48 is: 29,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.08 : 52,842.60 = 21,294.48 : x
  2. Step 2: Convert to fraction form
    38,290.08/52,842.60 = 21,294.48/x
  3. Step 3: Cross multiply
    38,290.08x = 52,842.60 × 21,294.48
  4. Step 4: Simplify right side
    38,290.08x = 1,125,255,688.85
  5. Step 5: Solve for x
    x = 1,125,255,688.85/38,290.08
  6. Step 6: Final answer
    x = 29,387.66

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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.