Home / 48,287.60-72,431.40-17,118.80

Finding the Fourth Proportional to 48,287.60, 72,431.40 and 17,118.80

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Solution

The fourth proportional to 48,287.60, 72,431.40 and 17,118.80 is: 25,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.60 : 72,431.40 = 17,118.80 : x
  2. Step 2: Convert to fraction form
    48,287.60/72,431.40 = 17,118.80/x
  3. Step 3: Cross multiply
    48,287.60x = 72,431.40 × 17,118.80
  4. Step 4: Simplify right side
    48,287.60x = 1,239,938,650.32
  5. Step 5: Solve for x
    x = 1,239,938,650.32/48,287.60
  6. Step 6: Final answer
    x = 25,678.20

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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.