Home / 48,005.10-66,268.22-31,017.56

Finding the Fourth Proportional to 48,005.10, 66,268.22 and 31,017.56

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Solution

The fourth proportional to 48,005.10, 66,268.22 and 31,017.56 is: 42,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.10 : 66,268.22 = 31,017.56 : x
  2. Step 2: Convert to fraction form
    48,005.10/66,268.22 = 31,017.56/x
  3. Step 3: Cross multiply
    48,005.10x = 66,268.22 × 31,017.56
  4. Step 4: Simplify right side
    48,005.10x = 2,055,478,489.94
  5. Step 5: Solve for x
    x = 2,055,478,489.94/48,005.10
  6. Step 6: Final answer
    x = 42,817.92

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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.