Home / 39,168.18-54,052.65-21,263.22

Finding the Fourth Proportional to 39,168.18, 54,052.65 and 21,263.22

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Solution

The fourth proportional to 39,168.18, 54,052.65 and 21,263.22 is: 29,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.18 : 54,052.65 = 21,263.22 : x
  2. Step 2: Convert to fraction form
    39,168.18/54,052.65 = 21,263.22/x
  3. Step 3: Cross multiply
    39,168.18x = 54,052.65 × 21,263.22
  4. Step 4: Simplify right side
    39,168.18x = 1,149,333,388.53
  5. Step 5: Solve for x
    x = 1,149,333,388.53/39,168.18
  6. Step 6: Final answer
    x = 29,343.55

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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.