Home / 42,887.04-64,306.80-14,791.92

Finding the Fourth Proportional to 42,887.04, 64,306.80 and 14,791.92

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Solution

The fourth proportional to 42,887.04, 64,306.80 and 14,791.92 is: 22,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887.04 : 64,306.80 = 14,791.92 : x
  2. Step 2: Convert to fraction form
    42,887.04/64,306.80 = 14,791.92/x
  3. Step 3: Cross multiply
    42,887.04x = 64,306.80 × 14,791.92
  4. Step 4: Simplify right side
    42,887.04x = 951,221,041.06
  5. Step 5: Solve for x
    x = 951,221,041.06/42,887.04
  6. Step 6: Final answer
    x = 22,179.69

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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.