Home / 64,359.20-96,495.60-29,280.80

Finding the Fourth Proportional to 64,359.20, 96,495.60 and 29,280.80

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Solution

The fourth proportional to 64,359.20, 96,495.60 and 29,280.80 is: 43,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.20 : 96,495.60 = 29,280.80 : x
  2. Step 2: Convert to fraction form
    64,359.20/96,495.60 = 29,280.80/x
  3. Step 3: Cross multiply
    64,359.20x = 96,495.60 × 29,280.80
  4. Step 4: Simplify right side
    64,359.20x = 2,825,468,364.48
  5. Step 5: Solve for x
    x = 2,825,468,364.48/64,359.20
  6. Step 6: Final answer
    x = 43,901.55

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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.