Home / 39,717.70-59,576.55-12,015.70

Finding the Fourth Proportional to 39,717.70, 59,576.55 and 12,015.70

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Solution

The fourth proportional to 39,717.70, 59,576.55 and 12,015.70 is: 18,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.70 : 59,576.55 = 12,015.70 : x
  2. Step 2: Convert to fraction form
    39,717.70/59,576.55 = 12,015.70/x
  3. Step 3: Cross multiply
    39,717.70x = 59,576.55 × 12,015.70
  4. Step 4: Simplify right side
    39,717.70x = 715,853,951.84
  5. Step 5: Solve for x
    x = 715,853,951.84/39,717.70
  6. Step 6: Final answer
    x = 18,023.55

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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.