Home / 51,105.30-76,657.95-43,329.30

Finding the Fourth Proportional to 51,105.30, 76,657.95 and 43,329.30

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Solution

The fourth proportional to 51,105.30, 76,657.95 and 43,329.30 is: 64,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.30 : 76,657.95 = 43,329.30 : x
  2. Step 2: Convert to fraction form
    51,105.30/76,657.95 = 43,329.30/x
  3. Step 3: Cross multiply
    51,105.30x = 76,657.95 × 43,329.30
  4. Step 4: Simplify right side
    51,105.30x = 3,321,535,312.94
  5. Step 5: Solve for x
    x = 3,321,535,312.94/51,105.30
  6. Step 6: Final answer
    x = 64,993.95

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Double scale
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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.