Home / 38,473.08-53,095.52-21,480.68

Finding the Fourth Proportional to 38,473.08, 53,095.52 and 21,480.68

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Solution

The fourth proportional to 38,473.08, 53,095.52 and 21,480.68 is: 29,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.08 : 53,095.52 = 21,480.68 : x
  2. Step 2: Convert to fraction form
    38,473.08/53,095.52 = 21,480.68/x
  3. Step 3: Cross multiply
    38,473.08x = 53,095.52 × 21,480.68
  4. Step 4: Simplify right side
    38,473.08x = 1,140,527,874.55
  5. Step 5: Solve for x
    x = 1,140,527,874.55/38,473.08
  6. Step 6: Final answer
    x = 29,644.83

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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.