Home / 36,281.71-50,071.80-21,175.35

Finding the Fourth Proportional to 36,281.71, 50,071.80 and 21,175.35

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Solution

The fourth proportional to 36,281.71, 50,071.80 and 21,175.35 is: 29,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.71 : 50,071.80 = 21,175.35 : x
  2. Step 2: Convert to fraction form
    36,281.71/50,071.80 = 21,175.35/x
  3. Step 3: Cross multiply
    36,281.71x = 50,071.80 × 21,175.35
  4. Step 4: Simplify right side
    36,281.71x = 1,060,287,890.13
  5. Step 5: Solve for x
    x = 1,060,287,890.13/36,281.71
  6. Step 6: Final answer
    x = 29,223.76

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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.