Home / 34,869.55-48,120.30-20,719.66

Finding the Fourth Proportional to 34,869.55, 48,120.30 and 20,719.66

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Solution

The fourth proportional to 34,869.55, 48,120.30 and 20,719.66 is: 28,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.55 : 48,120.30 = 20,719.66 : x
  2. Step 2: Convert to fraction form
    34,869.55/48,120.30 = 20,719.66/x
  3. Step 3: Cross multiply
    34,869.55x = 48,120.30 × 20,719.66
  4. Step 4: Simplify right side
    34,869.55x = 997,036,255.10
  5. Step 5: Solve for x
    x = 997,036,255.10/34,869.55
  6. Step 6: Final answer
    x = 28,593.32

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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.