Home / 52,098.36-78,146.98-12,655.52

Finding the Fourth Proportional to 52,098.36, 78,146.98 and 12,655.52

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Solution

The fourth proportional to 52,098.36, 78,146.98 and 12,655.52 is: 18,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,098.36 : 78,146.98 = 12,655.52 : x
  2. Step 2: Convert to fraction form
    52,098.36/78,146.98 = 12,655.52/x
  3. Step 3: Cross multiply
    52,098.36x = 78,146.98 × 12,655.52
  4. Step 4: Simplify right side
    52,098.36x = 988,990,319.22
  5. Step 5: Solve for x
    x = 988,990,319.22/52,098.36
  6. Step 6: Final answer
    x = 18,983.14

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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.