Home / 37,041.57-51,117.96-20,909.72

Finding the Fourth Proportional to 37,041.57, 51,117.96 and 20,909.72

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Solution

The fourth proportional to 37,041.57, 51,117.96 and 20,909.72 is: 28,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.57 : 51,117.96 = 20,909.72 : x
  2. Step 2: Convert to fraction form
    37,041.57/51,117.96 = 20,909.72/x
  3. Step 3: Cross multiply
    37,041.57x = 51,117.96 × 20,909.72
  4. Step 4: Simplify right side
    37,041.57x = 1,068,862,230.57
  5. Step 5: Solve for x
    x = 1,068,862,230.57/37,041.57
  6. Step 6: Final answer
    x = 28,855.75

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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.