Home / 48,321.52-66,669.12-30,434.24

Finding the Fourth Proportional to 48,321.52, 66,669.12 and 30,434.24

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Solution

The fourth proportional to 48,321.52, 66,669.12 and 30,434.24 is: 41,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,321.52 : 66,669.12 = 30,434.24 : x
  2. Step 2: Convert to fraction form
    48,321.52/66,669.12 = 30,434.24/x
  3. Step 3: Cross multiply
    48,321.52x = 66,669.12 × 30,434.24
  4. Step 4: Simplify right side
    48,321.52x = 2,029,023,998.67
  5. Step 5: Solve for x
    x = 2,029,023,998.67/48,321.52
  6. Step 6: Final answer
    x = 41,990.07

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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.