Home / 43,411.68-59,905.44-31,489.92

Finding the Fourth Proportional to 43,411.68, 59,905.44 and 31,489.92

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Solution

The fourth proportional to 43,411.68, 59,905.44 and 31,489.92 is: 43,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.68 : 59,905.44 = 31,489.92 : x
  2. Step 2: Convert to fraction form
    43,411.68/59,905.44 = 31,489.92/x
  3. Step 3: Cross multiply
    43,411.68x = 59,905.44 × 31,489.92
  4. Step 4: Simplify right side
    43,411.68x = 1,886,417,513.16
  5. Step 5: Solve for x
    x = 1,886,417,513.16/43,411.68
  6. Step 6: Final answer
    x = 43,454.15

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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.