Home / 58,419.19-80,618.38-31,561.61

Finding the Fourth Proportional to 58,419.19, 80,618.38 and 31,561.61

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Solution

The fourth proportional to 58,419.19, 80,618.38 and 31,561.61 is: 43,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419.19 : 80,618.38 = 31,561.61 : x
  2. Step 2: Convert to fraction form
    58,419.19/80,618.38 = 31,561.61/x
  3. Step 3: Cross multiply
    58,419.19x = 80,618.38 × 31,561.61
  4. Step 4: Simplify right side
    58,419.19x = 2,544,445,710.58
  5. Step 5: Solve for x
    x = 2,544,445,710.58/58,419.19
  6. Step 6: Final answer
    x = 43,554.97

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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.