Home / 37,053.70-51,158.55-28,540.78

Finding the Fourth Proportional to 37,053.70, 51,158.55 and 28,540.78

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Solution

The fourth proportional to 37,053.70, 51,158.55 and 28,540.78 is: 39,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.70 : 51,158.55 = 28,540.78 : x
  2. Step 2: Convert to fraction form
    37,053.70/51,158.55 = 28,540.78/x
  3. Step 3: Cross multiply
    37,053.70x = 51,158.55 × 28,540.78
  4. Step 4: Simplify right side
    37,053.70x = 1,460,104,920.67
  5. Step 5: Solve for x
    x = 1,460,104,920.67/37,053.70
  6. Step 6: Final answer
    x = 39,405.10

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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.