Home / 35,394.85-48,851.88-20,297.71

Finding the Fourth Proportional to 35,394.85, 48,851.88 and 20,297.71

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Solution

The fourth proportional to 35,394.85, 48,851.88 and 20,297.71 is: 28,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.85 : 48,851.88 = 20,297.71 : x
  2. Step 2: Convert to fraction form
    35,394.85/48,851.88 = 20,297.71/x
  3. Step 3: Cross multiply
    35,394.85x = 48,851.88 × 20,297.71
  4. Step 4: Simplify right side
    35,394.85x = 991,581,586.80
  5. Step 5: Solve for x
    x = 991,581,586.80/35,394.85
  6. Step 6: Final answer
    x = 28,014.86

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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.