Home / 30,337.74-41,866.28-16,909.85

Finding the Fourth Proportional to 30,337.74, 41,866.28 and 16,909.85

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Solution

The fourth proportional to 30,337.74, 41,866.28 and 16,909.85 is: 23,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.74 : 41,866.28 = 16,909.85 : x
  2. Step 2: Convert to fraction form
    30,337.74/41,866.28 = 16,909.85/x
  3. Step 3: Cross multiply
    30,337.74x = 41,866.28 × 16,909.85
  4. Step 4: Simplify right side
    30,337.74x = 707,952,220.98
  5. Step 5: Solve for x
    x = 707,952,220.98/30,337.74
  6. Step 6: Final answer
    x = 23,335.69

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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.