Home / 48,037.80-72,008.10-21,761.40

Finding the Fourth Proportional to 48,037.80, 72,008.10 and 21,761.40

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Solution

The fourth proportional to 48,037.80, 72,008.10 and 21,761.40 is: 32,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,037.80 : 72,008.10 = 21,761.40 : x
  2. Step 2: Convert to fraction form
    48,037.80/72,008.10 = 21,761.40/x
  3. Step 3: Cross multiply
    48,037.80x = 72,008.10 × 21,761.40
  4. Step 4: Simplify right side
    48,037.80x = 1,566,997,067.34
  5. Step 5: Solve for x
    x = 1,566,997,067.34/48,037.80
  6. Step 6: Final answer
    x = 32,620.08

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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.