Home / 36,870.48-55,312.56-20,221.44

Finding the Fourth Proportional to 36,870.48, 55,312.56 and 20,221.44

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Solution

The fourth proportional to 36,870.48, 55,312.56 and 20,221.44 is: 30,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.48 : 55,312.56 = 20,221.44 : x
  2. Step 2: Convert to fraction form
    36,870.48/55,312.56 = 20,221.44/x
  3. Step 3: Cross multiply
    36,870.48x = 55,312.56 × 20,221.44
  4. Step 4: Simplify right side
    36,870.48x = 1,118,499,613.29
  5. Step 5: Solve for x
    x = 1,118,499,613.29/36,870.48
  6. Step 6: Final answer
    x = 30,335.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.