Home / 79,639.38-119,459.07-29,717.46

Finding the Fourth Proportional to 79,639.38, 119,459.07 and 29,717.46

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Solution

The fourth proportional to 79,639.38, 119,459.07 and 29,717.46 is: 44,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,639.38 : 119,459.07 = 29,717.46 : x
  2. Step 2: Convert to fraction form
    79,639.38/119,459.07 = 29,717.46/x
  3. Step 3: Cross multiply
    79,639.38x = 119,459.07 × 29,717.46
  4. Step 4: Simplify right side
    79,639.38x = 3,550,020,134.36
  5. Step 5: Solve for x
    x = 3,550,020,134.36/79,639.38
  6. Step 6: Final answer
    x = 44,576.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.