Home / 37,454.54-51,686.98-20,458.78

Finding the Fourth Proportional to 37,454.54, 51,686.98 and 20,458.78

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Solution

The fourth proportional to 37,454.54, 51,686.98 and 20,458.78 is: 28,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.54 : 51,686.98 = 20,458.78 : x
  2. Step 2: Convert to fraction form
    37,454.54/51,686.98 = 20,458.78/x
  3. Step 3: Cross multiply
    37,454.54x = 51,686.98 × 20,458.78
  4. Step 4: Simplify right side
    37,454.54x = 1,057,452,372.32
  5. Step 5: Solve for x
    x = 1,057,452,372.32/37,454.54
  6. Step 6: Final answer
    x = 28,232.96

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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.