Home / 38,138.18-57,130.65-21,473.24

Finding the Fourth Proportional to 38,138.18, 57,130.65 and 21,473.24

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Solution

The fourth proportional to 38,138.18, 57,130.65 and 21,473.24 is: 32,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.18 : 57,130.65 = 21,473.24 : x
  2. Step 2: Convert to fraction form
    38,138.18/57,130.65 = 21,473.24/x
  3. Step 3: Cross multiply
    38,138.18x = 57,130.65 × 21,473.24
  4. Step 4: Simplify right side
    38,138.18x = 1,226,779,873.15
  5. Step 5: Solve for x
    x = 1,226,779,873.15/38,138.18
  6. Step 6: Final answer
    x = 32,166.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.