Home / 36,220.80-49,909.76-29,118.72

Finding the Fourth Proportional to 36,220.80, 49,909.76 and 29,118.72

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Solution

The fourth proportional to 36,220.80, 49,909.76 and 29,118.72 is: 40,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.80 : 49,909.76 = 29,118.72 : x
  2. Step 2: Convert to fraction form
    36,220.80/49,909.76 = 29,118.72/x
  3. Step 3: Cross multiply
    36,220.80x = 49,909.76 × 29,118.72
  4. Step 4: Simplify right side
    36,220.80x = 1,453,308,326.71
  5. Step 5: Solve for x
    x = 1,453,308,326.71/36,220.80
  6. Step 6: Final answer
    x = 40,123.58

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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.