Home / 40,422.55-60,611.51-18,760.40

Finding the Fourth Proportional to 40,422.55, 60,611.51 and 18,760.40

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Solution

The fourth proportional to 40,422.55, 60,611.51 and 18,760.40 is: 28,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.55 : 60,611.51 = 18,760.40 : x
  2. Step 2: Convert to fraction form
    40,422.55/60,611.51 = 18,760.40/x
  3. Step 3: Cross multiply
    40,422.55x = 60,611.51 × 18,760.40
  4. Step 4: Simplify right side
    40,422.55x = 1,137,096,279.82
  5. Step 5: Solve for x
    x = 1,137,096,279.82/40,422.55
  6. Step 6: Final answer
    x = 28,130.24

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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.