Home / 35,290.53-48,691.46-20,938.43

Finding the Fourth Proportional to 35,290.53, 48,691.46 and 20,938.43

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Solution

The fourth proportional to 35,290.53, 48,691.46 and 20,938.43 is: 28,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.53 : 48,691.46 = 20,938.43 : x
  2. Step 2: Convert to fraction form
    35,290.53/48,691.46 = 20,938.43/x
  3. Step 3: Cross multiply
    35,290.53x = 48,691.46 × 20,938.43
  4. Step 4: Simplify right side
    35,290.53x = 1,019,522,726.81
  5. Step 5: Solve for x
    x = 1,019,522,726.81/35,290.53
  6. Step 6: Final answer
    x = 28,889.41

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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.