Home / 36,314.40-54,398.70-20,713.80

Finding the Fourth Proportional to 36,314.40, 54,398.70 and 20,713.80

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Solution

The fourth proportional to 36,314.40, 54,398.70 and 20,713.80 is: 31,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.40 : 54,398.70 = 20,713.80 : x
  2. Step 2: Convert to fraction form
    36,314.40/54,398.70 = 20,713.80/x
  3. Step 3: Cross multiply
    36,314.40x = 54,398.70 × 20,713.80
  4. Step 4: Simplify right side
    36,314.40x = 1,126,803,792.06
  5. Step 5: Solve for x
    x = 1,126,803,792.06/36,314.40
  6. Step 6: Final answer
    x = 31,029.12

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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.