Home / 48,456.40-72,688.20-17,287.60

Finding the Fourth Proportional to 48,456.40, 72,688.20 and 17,287.60

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Solution

The fourth proportional to 48,456.40, 72,688.20 and 17,287.60 is: 25,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.40 : 72,688.20 = 17,287.60 : x
  2. Step 2: Convert to fraction form
    48,456.40/72,688.20 = 17,287.60/x
  3. Step 3: Cross multiply
    48,456.40x = 72,688.20 × 17,287.60
  4. Step 4: Simplify right side
    48,456.40x = 1,256,604,526.32
  5. Step 5: Solve for x
    x = 1,256,604,526.32/48,456.40
  6. Step 6: Final answer
    x = 25,932.68

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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.