Home / 42,396.57-63,601.35-13,924.56

Finding the Fourth Proportional to 42,396.57, 63,601.35 and 13,924.56

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Solution

The fourth proportional to 42,396.57, 63,601.35 and 13,924.56 is: 20,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,396.57 : 63,601.35 = 13,924.56 : x
  2. Step 2: Convert to fraction form
    42,396.57/63,601.35 = 13,924.56/x
  3. Step 3: Cross multiply
    42,396.57x = 63,601.35 × 13,924.56
  4. Step 4: Simplify right side
    42,396.57x = 885,620,814.16
  5. Step 5: Solve for x
    x = 885,620,814.16/42,396.57
  6. Step 6: Final answer
    x = 20,888.97

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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.