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Finding the Fourth Proportional to 61,617.59, 85,036.21 and 34,750.29

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Solution

The fourth proportional to 61,617.59, 85,036.21 and 34,750.29 is: 47,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.59 : 85,036.21 = 34,750.29 : x
  2. Step 2: Convert to fraction form
    61,617.59/85,036.21 = 34,750.29/x
  3. Step 3: Cross multiply
    61,617.59x = 85,036.21 × 34,750.29
  4. Step 4: Simplify right side
    61,617.59x = 2,955,033,030.57
  5. Step 5: Solve for x
    x = 2,955,033,030.57/61,617.59
  6. Step 6: Final answer
    x = 47,957.62

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1.5x scale

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.