Home / 63,661.05-87,853.91-38,171.57

Finding the Fourth Proportional to 63,661.05, 87,853.91 and 38,171.57

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Solution

The fourth proportional to 63,661.05, 87,853.91 and 38,171.57 is: 52,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.05 : 87,853.91 = 38,171.57 : x
  2. Step 2: Convert to fraction form
    63,661.05/87,853.91 = 38,171.57/x
  3. Step 3: Cross multiply
    63,661.05x = 87,853.91 × 38,171.57
  4. Step 4: Simplify right side
    63,661.05x = 3,353,521,045.21
  5. Step 5: Solve for x
    x = 3,353,521,045.21/63,661.05
  6. Step 6: Final answer
    x = 52,677.75

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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.