Home / 45,207.20-67,810.80-36,459.20

Finding the Fourth Proportional to 45,207.20, 67,810.80 and 36,459.20

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Solution

The fourth proportional to 45,207.20, 67,810.80 and 36,459.20 is: 54,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207.20 : 67,810.80 = 36,459.20 : x
  2. Step 2: Convert to fraction form
    45,207.20/67,810.80 = 36,459.20/x
  3. Step 3: Cross multiply
    45,207.20x = 67,810.80 × 36,459.20
  4. Step 4: Simplify right side
    45,207.20x = 2,472,327,519.36
  5. Step 5: Solve for x
    x = 2,472,327,519.36/45,207.20
  6. Step 6: Final answer
    x = 54,688.80

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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.