Home / 42,225.68-63,278.04-21,463.76

Finding the Fourth Proportional to 42,225.68, 63,278.04 and 21,463.76

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Solution

The fourth proportional to 42,225.68, 63,278.04 and 21,463.76 is: 32,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,225.68 : 63,278.04 = 21,463.76 : x
  2. Step 2: Convert to fraction form
    42,225.68/63,278.04 = 21,463.76/x
  3. Step 3: Cross multiply
    42,225.68x = 63,278.04 × 21,463.76
  4. Step 4: Simplify right side
    42,225.68x = 1,358,184,663.83
  5. Step 5: Solve for x
    x = 1,358,184,663.83/42,225.68
  6. Step 6: Final answer
    x = 32,164.90

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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.