Home / 42,586.55-63,919.31-21,541.53

Finding the Fourth Proportional to 42,586.55, 63,919.31 and 21,541.53

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Solution

The fourth proportional to 42,586.55, 63,919.31 and 21,541.53 is: 32,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,586.55 : 63,919.31 = 21,541.53 : x
  2. Step 2: Convert to fraction form
    42,586.55/63,919.31 = 21,541.53/x
  3. Step 3: Cross multiply
    42,586.55x = 63,919.31 × 21,541.53
  4. Step 4: Simplify right side
    42,586.55x = 1,376,919,733.94
  5. Step 5: Solve for x
    x = 1,376,919,733.94/42,586.55
  6. Step 6: Final answer
    x = 32,332.27

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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.