Home / 40,909.12-56,438.60-23,000

Finding the Fourth Proportional to 40,909.12, 56,438.60 and 23,000

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Solution

The fourth proportional to 40,909.12, 56,438.60 and 23,000 is: 31,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.12 : 56,438.60 = 23,000 : x
  2. Step 2: Convert to fraction form
    40,909.12/56,438.60 = 23,000/x
  3. Step 3: Cross multiply
    40,909.12x = 56,438.60 × 23,000
  4. Step 4: Simplify right side
    40,909.12x = 1,298,087,800
  5. Step 5: Solve for x
    x = 1,298,087,800/40,909.12
  6. Step 6: Final answer
    x = 31,731.01

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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.