Home / 61,143.68-84,377.28-34,286.16

Finding the Fourth Proportional to 61,143.68, 84,377.28 and 34,286.16

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Solution

The fourth proportional to 61,143.68, 84,377.28 and 34,286.16 is: 47,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,143.68 : 84,377.28 = 34,286.16 : x
  2. Step 2: Convert to fraction form
    61,143.68/84,377.28 = 34,286.16/x
  3. Step 3: Cross multiply
    61,143.68x = 84,377.28 × 34,286.16
  4. Step 4: Simplify right side
    61,143.68x = 2,892,972,922.44
  5. Step 5: Solve for x
    x = 2,892,972,922.44/61,143.68
  6. Step 6: Final answer
    x = 47,314.34

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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.