Home / 61,943.24-85,517.12-40,784

Finding the Fourth Proportional to 61,943.24, 85,517.12 and 40,784

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Solution

The fourth proportional to 61,943.24, 85,517.12 and 40,784 is: 56,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.24 : 85,517.12 = 40,784 : x
  2. Step 2: Convert to fraction form
    61,943.24/85,517.12 = 40,784/x
  3. Step 3: Cross multiply
    61,943.24x = 85,517.12 × 40,784
  4. Step 4: Simplify right side
    61,943.24x = 3,487,730,222.08
  5. Step 5: Solve for x
    x = 3,487,730,222.08/61,943.24
  6. Step 6: Final answer
    x = 56,305.26

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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.