Home / 48,278.59-66,585-33,985.78

Finding the Fourth Proportional to 48,278.59, 66,585 and 33,985.78

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Solution

The fourth proportional to 48,278.59, 66,585 and 33,985.78 is: 46,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.59 : 66,585 = 33,985.78 : x
  2. Step 2: Convert to fraction form
    48,278.59/66,585 = 33,985.78/x
  3. Step 3: Cross multiply
    48,278.59x = 66,585 × 33,985.78
  4. Step 4: Simplify right side
    48,278.59x = 2,262,943,161.30
  5. Step 5: Solve for x
    x = 2,262,943,161.30/48,278.59
  6. Step 6: Final answer
    x = 46,872.60

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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.