Home / 52,257.02-78,387.02-12,814.10

Finding the Fourth Proportional to 52,257.02, 78,387.02 and 12,814.10

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Solution

The fourth proportional to 52,257.02, 78,387.02 and 12,814.10 is: 19,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.02 : 78,387.02 = 12,814.10 : x
  2. Step 2: Convert to fraction form
    52,257.02/78,387.02 = 12,814.10/x
  3. Step 3: Cross multiply
    52,257.02x = 78,387.02 × 12,814.10
  4. Step 4: Simplify right side
    52,257.02x = 1,004,459,112.98
  5. Step 5: Solve for x
    x = 1,004,459,112.98/52,257.02
  6. Step 6: Final answer
    x = 19,221.52

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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.