Home / 40,047.86-55,266.72-23,280.86

Finding the Fourth Proportional to 40,047.86, 55,266.72 and 23,280.86

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Solution

The fourth proportional to 40,047.86, 55,266.72 and 23,280.86 is: 32,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047.86 : 55,266.72 = 23,280.86 : x
  2. Step 2: Convert to fraction form
    40,047.86/55,266.72 = 23,280.86/x
  3. Step 3: Cross multiply
    40,047.86x = 55,266.72 × 23,280.86
  4. Step 4: Simplify right side
    40,047.86x = 1,286,656,770.98
  5. Step 5: Solve for x
    x = 1,286,656,770.98/40,047.86
  6. Step 6: Final answer
    x = 32,127.98

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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.