Home / 30,207.46-41,686.33-16,778.74

Finding the Fourth Proportional to 30,207.46, 41,686.33 and 16,778.74

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Solution

The fourth proportional to 30,207.46, 41,686.33 and 16,778.74 is: 23,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.46 : 41,686.33 = 16,778.74 : x
  2. Step 2: Convert to fraction form
    30,207.46/41,686.33 = 16,778.74/x
  3. Step 3: Cross multiply
    30,207.46x = 41,686.33 × 16,778.74
  4. Step 4: Simplify right side
    30,207.46x = 699,443,946.46
  5. Step 5: Solve for x
    x = 699,443,946.46/30,207.46
  6. Step 6: Final answer
    x = 23,154.68

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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.