Home / 37,471.20-51,707.76-20,703.84

Finding the Fourth Proportional to 37,471.20, 51,707.76 and 20,703.84

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Solution

The fourth proportional to 37,471.20, 51,707.76 and 20,703.84 is: 28,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,471.20 : 51,707.76 = 20,703.84 : x
  2. Step 2: Convert to fraction form
    37,471.20/51,707.76 = 20,703.84/x
  3. Step 3: Cross multiply
    37,471.20x = 51,707.76 × 20,703.84
  4. Step 4: Simplify right side
    37,471.20x = 1,070,549,189.80
  5. Step 5: Solve for x
    x = 1,070,549,189.80/37,471.20
  6. Step 6: Final answer
    x = 28,569.92

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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.