Home / 63,987.40-95,981.10-30,701.80

Finding the Fourth Proportional to 63,987.40, 95,981.10 and 30,701.80

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Solution

The fourth proportional to 63,987.40, 95,981.10 and 30,701.80 is: 46,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.40 : 95,981.10 = 30,701.80 : x
  2. Step 2: Convert to fraction form
    63,987.40/95,981.10 = 30,701.80/x
  3. Step 3: Cross multiply
    63,987.40x = 95,981.10 × 30,701.80
  4. Step 4: Simplify right side
    63,987.40x = 2,946,792,535.98
  5. Step 5: Solve for x
    x = 2,946,792,535.98/63,987.40
  6. Step 6: Final answer
    x = 46,052.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.