Home / 46,641.12-69,961.44-19,983.20

Finding the Fourth Proportional to 46,641.12, 69,961.44 and 19,983.20

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Solution

The fourth proportional to 46,641.12, 69,961.44 and 19,983.20 is: 29,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.12 : 69,961.44 = 19,983.20 : x
  2. Step 2: Convert to fraction form
    46,641.12/69,961.44 = 19,983.20/x
  3. Step 3: Cross multiply
    46,641.12x = 69,961.44 × 19,983.20
  4. Step 4: Simplify right side
    46,641.12x = 1,398,053,447.81
  5. Step 5: Solve for x
    x = 1,398,053,447.81/46,641.12
  6. Step 6: Final answer
    x = 29,974.70

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Similar ratio
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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.