Home / 40,400.12-60,588.84-15,422.96

Finding the Fourth Proportional to 40,400.12, 60,588.84 and 15,422.96

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Solution

The fourth proportional to 40,400.12, 60,588.84 and 15,422.96 is: 23,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.12 : 60,588.84 = 15,422.96 : x
  2. Step 2: Convert to fraction form
    40,400.12/60,588.84 = 15,422.96/x
  3. Step 3: Cross multiply
    40,400.12x = 60,588.84 × 15,422.96
  4. Step 4: Simplify right side
    40,400.12x = 934,459,255.77
  5. Step 5: Solve for x
    x = 934,459,255.77/40,400.12
  6. Step 6: Final answer
    x = 23,130.11

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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.