Home / 36,386.80-54,580.20-14,215.75

Finding the Fourth Proportional to 36,386.80, 54,580.20 and 14,215.75

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Solution

The fourth proportional to 36,386.80, 54,580.20 and 14,215.75 is: 21,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.80 : 54,580.20 = 14,215.75 : x
  2. Step 2: Convert to fraction form
    36,386.80/54,580.20 = 14,215.75/x
  3. Step 3: Cross multiply
    36,386.80x = 54,580.20 × 14,215.75
  4. Step 4: Simplify right side
    36,386.80x = 775,898,478.15
  5. Step 5: Solve for x
    x = 775,898,478.15/36,386.80
  6. Step 6: Final answer
    x = 21,323.63

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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.