Home / 63,444.18-87,513.28-40,812.65

Finding the Fourth Proportional to 63,444.18, 87,513.28 and 40,812.65

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Solution

The fourth proportional to 63,444.18, 87,513.28 and 40,812.65 is: 56,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,444.18 : 87,513.28 = 40,812.65 : x
  2. Step 2: Convert to fraction form
    63,444.18/87,513.28 = 40,812.65/x
  3. Step 3: Cross multiply
    63,444.18x = 87,513.28 × 40,812.65
  4. Step 4: Simplify right side
    63,444.18x = 3,571,648,327.39
  5. Step 5: Solve for x
    x = 3,571,648,327.39/63,444.18
  6. Step 6: Final answer
    x = 56,295.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.