Home / 77,216.40-115,824.60-24,631.20

Finding the Fourth Proportional to 77,216.40, 115,824.60 and 24,631.20

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Solution

The fourth proportional to 77,216.40, 115,824.60 and 24,631.20 is: 36,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,216.40 : 115,824.60 = 24,631.20 : x
  2. Step 2: Convert to fraction form
    77,216.40/115,824.60 = 24,631.20/x
  3. Step 3: Cross multiply
    77,216.40x = 115,824.60 × 24,631.20
  4. Step 4: Simplify right side
    77,216.40x = 2,852,898,887.52
  5. Step 5: Solve for x
    x = 2,852,898,887.52/77,216.40
  6. Step 6: Final answer
    x = 36,946.80

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Similar ratio
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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.