Home / 37,041.49-51,117.34-20,912.30

Finding the Fourth Proportional to 37,041.49, 51,117.34 and 20,912.30

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Solution

The fourth proportional to 37,041.49, 51,117.34 and 20,912.30 is: 28,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.49 : 51,117.34 = 20,912.30 : x
  2. Step 2: Convert to fraction form
    37,041.49/51,117.34 = 20,912.30/x
  3. Step 3: Cross multiply
    37,041.49x = 51,117.34 × 20,912.30
  4. Step 4: Simplify right side
    37,041.49x = 1,068,981,149.28
  5. Step 5: Solve for x
    x = 1,068,981,149.28/37,041.49
  6. Step 6: Final answer
    x = 28,859.02

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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.