Home / 42,227.28-63,333.63-12,637.17

Finding the Fourth Proportional to 42,227.28, 63,333.63 and 12,637.17

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Solution

The fourth proportional to 42,227.28, 63,333.63 and 12,637.17 is: 18,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,227.28 : 63,333.63 = 12,637.17 : x
  2. Step 2: Convert to fraction form
    42,227.28/63,333.63 = 12,637.17/x
  3. Step 3: Cross multiply
    42,227.28x = 63,333.63 × 12,637.17
  4. Step 4: Simplify right side
    42,227.28x = 800,357,849.03
  5. Step 5: Solve for x
    x = 800,357,849.03/42,227.28
  6. Step 6: Final answer
    x = 18,953.57

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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.