Home / 39,812.35-54,927.96-22,818.55

Finding the Fourth Proportional to 39,812.35, 54,927.96 and 22,818.55

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Solution

The fourth proportional to 39,812.35, 54,927.96 and 22,818.55 is: 31,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.35 : 54,927.96 = 22,818.55 : x
  2. Step 2: Convert to fraction form
    39,812.35/54,927.96 = 22,818.55/x
  3. Step 3: Cross multiply
    39,812.35x = 54,927.96 × 22,818.55
  4. Step 4: Simplify right side
    39,812.35x = 1,253,376,401.66
  5. Step 5: Solve for x
    x = 1,253,376,401.66/39,812.35
  6. Step 6: Final answer
    x = 31,482.10

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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.