Home / 61,018.32-84,206.88-34,160.70

Finding the Fourth Proportional to 61,018.32, 84,206.88 and 34,160.70

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Solution

The fourth proportional to 61,018.32, 84,206.88 and 34,160.70 is: 47,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,018.32 : 84,206.88 = 34,160.70 : x
  2. Step 2: Convert to fraction form
    61,018.32/84,206.88 = 34,160.70/x
  3. Step 3: Cross multiply
    61,018.32x = 84,206.88 × 34,160.70
  4. Step 4: Simplify right side
    61,018.32x = 2,876,565,965.62
  5. Step 5: Solve for x
    x = 2,876,565,965.62/61,018.32
  6. Step 6: Final answer
    x = 47,142.66

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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.