Home / 41,780.34-62,376.91-31,866.74

Finding the Fourth Proportional to 41,780.34, 62,376.91 and 31,866.74

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Solution

The fourth proportional to 41,780.34, 62,376.91 and 31,866.74 is: 47,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.34 : 62,376.91 = 31,866.74 : x
  2. Step 2: Convert to fraction form
    41,780.34/62,376.91 = 31,866.74/x
  3. Step 3: Cross multiply
    41,780.34x = 62,376.91 × 31,866.74
  4. Step 4: Simplify right side
    41,780.34x = 1,987,748,613.64
  5. Step 5: Solve for x
    x = 1,987,748,613.64/41,780.34
  6. Step 6: Final answer
    x = 47,576.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.