Home / 40,061.55-55,283.56-22,156.50

Finding the Fourth Proportional to 40,061.55, 55,283.56 and 22,156.50

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Solution

The fourth proportional to 40,061.55, 55,283.56 and 22,156.50 is: 30,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.55 : 55,283.56 = 22,156.50 : x
  2. Step 2: Convert to fraction form
    40,061.55/55,283.56 = 22,156.50/x
  3. Step 3: Cross multiply
    40,061.55x = 55,283.56 × 22,156.50
  4. Step 4: Simplify right side
    40,061.55x = 1,224,890,197.14
  5. Step 5: Solve for x
    x = 1,224,890,197.14/40,061.55
  6. Step 6: Final answer
    x = 30,575.21

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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.