Home / 40,263.80-60,372.06-12,175.40

Finding the Fourth Proportional to 40,263.80, 60,372.06 and 12,175.40

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Solution

The fourth proportional to 40,263.80, 60,372.06 and 12,175.40 is: 18,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263.80 : 60,372.06 = 12,175.40 : x
  2. Step 2: Convert to fraction form
    40,263.80/60,372.06 = 12,175.40/x
  3. Step 3: Cross multiply
    40,263.80x = 60,372.06 × 12,175.40
  4. Step 4: Simplify right side
    40,263.80x = 735,053,979.32
  5. Step 5: Solve for x
    x = 735,053,979.32/40,263.80
  6. Step 6: Final answer
    x = 18,255.95

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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.