Home / 45,177.89-67,765.16-21,502.40

Finding the Fourth Proportional to 45,177.89, 67,765.16 and 21,502.40

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Solution

The fourth proportional to 45,177.89, 67,765.16 and 21,502.40 is: 32,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,177.89 : 67,765.16 = 21,502.40 : x
  2. Step 2: Convert to fraction form
    45,177.89/67,765.16 = 21,502.40/x
  3. Step 3: Cross multiply
    45,177.89x = 67,765.16 × 21,502.40
  4. Step 4: Simplify right side
    45,177.89x = 1,457,113,170.36
  5. Step 5: Solve for x
    x = 1,457,113,170.36/45,177.89
  6. Step 6: Final answer
    x = 32,252.80

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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.