Home / 48,427.20-66,837.51-40,348.08

Finding the Fourth Proportional to 48,427.20, 66,837.51 and 40,348.08

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Solution

The fourth proportional to 48,427.20, 66,837.51 and 40,348.08 is: 55,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.20 : 66,837.51 = 40,348.08 : x
  2. Step 2: Convert to fraction form
    48,427.20/66,837.51 = 40,348.08/x
  3. Step 3: Cross multiply
    48,427.20x = 66,837.51 × 40,348.08
  4. Step 4: Simplify right side
    48,427.20x = 2,696,765,200.48
  5. Step 5: Solve for x
    x = 2,696,765,200.48/48,427.20
  6. Step 6: Final answer
    x = 55,686.99

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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.