Home / 35,478.10-48,956.16-20,367.13

Finding the Fourth Proportional to 35,478.10, 48,956.16 and 20,367.13

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Solution

The fourth proportional to 35,478.10, 48,956.16 and 20,367.13 is: 28,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.10 : 48,956.16 = 20,367.13 : x
  2. Step 2: Convert to fraction form
    35,478.10/48,956.16 = 20,367.13/x
  3. Step 3: Cross multiply
    35,478.10x = 48,956.16 × 20,367.13
  4. Step 4: Simplify right side
    35,478.10x = 997,096,475.02
  5. Step 5: Solve for x
    x = 997,096,475.02/35,478.10
  6. Step 6: Final answer
    x = 28,104.56

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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.