Home / 45,145.12-62,330.52-28,156.24

Finding the Fourth Proportional to 45,145.12, 62,330.52 and 28,156.24

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Solution

The fourth proportional to 45,145.12, 62,330.52 and 28,156.24 is: 38,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,145.12 : 62,330.52 = 28,156.24 : x
  2. Step 2: Convert to fraction form
    45,145.12/62,330.52 = 28,156.24/x
  3. Step 3: Cross multiply
    45,145.12x = 62,330.52 × 28,156.24
  4. Step 4: Simplify right side
    45,145.12x = 1,754,993,080.44
  5. Step 5: Solve for x
    x = 1,754,993,080.44/45,145.12
  6. Step 6: Final answer
    x = 38,874.48

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Half scale
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Double scale
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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.