Home / 37,432.80-51,655.05-20,433.66

Finding the Fourth Proportional to 37,432.80, 51,655.05 and 20,433.66

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Solution

The fourth proportional to 37,432.80, 51,655.05 and 20,433.66 is: 28,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.80 : 51,655.05 = 20,433.66 : x
  2. Step 2: Convert to fraction form
    37,432.80/51,655.05 = 20,433.66/x
  3. Step 3: Cross multiply
    37,432.80x = 51,655.05 × 20,433.66
  4. Step 4: Simplify right side
    37,432.80x = 1,055,501,728.98
  5. Step 5: Solve for x
    x = 1,055,501,728.98/37,432.80
  6. Step 6: Final answer
    x = 28,197.24

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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.