Home / 34,853.60-52,280.40-9,891.20

Finding the Fourth Proportional to 34,853.60, 52,280.40 and 9,891.20

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Solution

The fourth proportional to 34,853.60, 52,280.40 and 9,891.20 is: 14,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.60 : 52,280.40 = 9,891.20 : x
  2. Step 2: Convert to fraction form
    34,853.60/52,280.40 = 9,891.20/x
  3. Step 3: Cross multiply
    34,853.60x = 52,280.40 × 9,891.20
  4. Step 4: Simplify right side
    34,853.60x = 517,115,892.48
  5. Step 5: Solve for x
    x = 517,115,892.48/34,853.60
  6. Step 6: Final answer
    x = 14,836.80

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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.