Home / 48,023.31-66,210.56-39,377.64

Finding the Fourth Proportional to 48,023.31, 66,210.56 and 39,377.64

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Solution

The fourth proportional to 48,023.31, 66,210.56 and 39,377.64 is: 54,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,023.31 : 66,210.56 = 39,377.64 : x
  2. Step 2: Convert to fraction form
    48,023.31/66,210.56 = 39,377.64/x
  3. Step 3: Cross multiply
    48,023.31x = 66,210.56 × 39,377.64
  4. Step 4: Simplify right side
    48,023.31x = 2,607,215,595.88
  5. Step 5: Solve for x
    x = 2,607,215,595.88/48,023.31
  6. Step 6: Final answer
    x = 54,290.63

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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.