Home / 51,210.30-76,815.45-43,337.10

Finding the Fourth Proportional to 51,210.30, 76,815.45 and 43,337.10

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Solution

The fourth proportional to 51,210.30, 76,815.45 and 43,337.10 is: 65,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.30 : 76,815.45 = 43,337.10 : x
  2. Step 2: Convert to fraction form
    51,210.30/76,815.45 = 43,337.10/x
  3. Step 3: Cross multiply
    51,210.30x = 76,815.45 × 43,337.10
  4. Step 4: Simplify right side
    51,210.30x = 3,328,958,838.20
  5. Step 5: Solve for x
    x = 3,328,958,838.20/51,210.30
  6. Step 6: Final answer
    x = 65,005.65

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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.