Home / 48,427.05-66,833.51-28,290.41

Finding the Fourth Proportional to 48,427.05, 66,833.51 and 28,290.41

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Solution

The fourth proportional to 48,427.05, 66,833.51 and 28,290.41 is: 39,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.05 : 66,833.51 = 28,290.41 : x
  2. Step 2: Convert to fraction form
    48,427.05/66,833.51 = 28,290.41/x
  3. Step 3: Cross multiply
    48,427.05x = 66,833.51 × 28,290.41
  4. Step 4: Simplify right side
    48,427.05x = 1,890,746,924.02
  5. Step 5: Solve for x
    x = 1,890,746,924.02/48,427.05
  6. Step 6: Final answer
    x = 39,043.20

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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.