Home / 52,008.54-78,016.05-20,839.74

Finding the Fourth Proportional to 52,008.54, 78,016.05 and 20,839.74

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Solution

The fourth proportional to 52,008.54, 78,016.05 and 20,839.74 is: 31,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,008.54 : 78,016.05 = 20,839.74 : x
  2. Step 2: Convert to fraction form
    52,008.54/78,016.05 = 20,839.74/x
  3. Step 3: Cross multiply
    52,008.54x = 78,016.05 × 20,839.74
  4. Step 4: Simplify right side
    52,008.54x = 1,625,834,197.83
  5. Step 5: Solve for x
    x = 1,625,834,197.83/52,008.54
  6. Step 6: Final answer
    x = 31,260.91

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1.5x scale

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.