Home / 52,002.56-78,012.02-22,428.80

Finding the Fourth Proportional to 52,002.56, 78,012.02 and 22,428.80

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Solution

The fourth proportional to 52,002.56, 78,012.02 and 22,428.80 is: 33,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.56 : 78,012.02 = 22,428.80 : x
  2. Step 2: Convert to fraction form
    52,002.56/78,012.02 = 22,428.80/x
  3. Step 3: Cross multiply
    52,002.56x = 78,012.02 × 22,428.80
  4. Step 4: Simplify right side
    52,002.56x = 1,749,715,994.18
  5. Step 5: Solve for x
    x = 1,749,715,994.18/52,002.56
  6. Step 6: Final answer
    x = 33,646.73

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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.