Home / 61,639.10-85,064.37-36,141.92

Finding the Fourth Proportional to 61,639.10, 85,064.37 and 36,141.92

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Solution

The fourth proportional to 61,639.10, 85,064.37 and 36,141.92 is: 49,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.10 : 85,064.37 = 36,141.92 : x
  2. Step 2: Convert to fraction form
    61,639.10/85,064.37 = 36,141.92/x
  3. Step 3: Cross multiply
    61,639.10x = 85,064.37 × 36,141.92
  4. Step 4: Simplify right side
    61,639.10x = 3,074,389,655.39
  5. Step 5: Solve for x
    x = 3,074,389,655.39/61,639.10
  6. Step 6: Final answer
    x = 49,877.26

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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.