Home / 52,461.86-78,701.51-20,872.24

Finding the Fourth Proportional to 52,461.86, 78,701.51 and 20,872.24

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Solution

The fourth proportional to 52,461.86, 78,701.51 and 20,872.24 is: 31,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,461.86 : 78,701.51 = 20,872.24 : x
  2. Step 2: Convert to fraction form
    52,461.86/78,701.51 = 20,872.24/x
  3. Step 3: Cross multiply
    52,461.86x = 78,701.51 × 20,872.24
  4. Step 4: Simplify right side
    52,461.86x = 1,642,676,805.08
  5. Step 5: Solve for x
    x = 1,642,676,805.08/52,461.86
  6. Step 6: Final answer
    x = 31,311.83

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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.