Home / 40,074.18-55,302.12-22,168.86

Finding the Fourth Proportional to 40,074.18, 55,302.12 and 22,168.86

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Solution

The fourth proportional to 40,074.18, 55,302.12 and 22,168.86 is: 30,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.18 : 55,302.12 = 22,168.86 : x
  2. Step 2: Convert to fraction form
    40,074.18/55,302.12 = 22,168.86/x
  3. Step 3: Cross multiply
    40,074.18x = 55,302.12 × 22,168.86
  4. Step 4: Simplify right side
    40,074.18x = 1,225,984,955.98
  5. Step 5: Solve for x
    x = 1,225,984,955.98/40,074.18
  6. Step 6: Final answer
    x = 30,592.89

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1.5x scale

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.