Home / 56,141.47-84,256.20-39,164.05

Finding the Fourth Proportional to 56,141.47, 84,256.20 and 39,164.05

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Solution

The fourth proportional to 56,141.47, 84,256.20 and 39,164.05 is: 58,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.47 : 84,256.20 = 39,164.05 : x
  2. Step 2: Convert to fraction form
    56,141.47/84,256.20 = 39,164.05/x
  3. Step 3: Cross multiply
    56,141.47x = 84,256.20 × 39,164.05
  4. Step 4: Simplify right side
    56,141.47x = 3,299,813,818.97
  5. Step 5: Solve for x
    x = 3,299,813,818.97/56,141.47
  6. Step 6: Final answer
    x = 58,776.76

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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.