Home / 34,064.10-47,012.55-20,634.96

Finding the Fourth Proportional to 34,064.10, 47,012.55 and 20,634.96

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Solution

The fourth proportional to 34,064.10, 47,012.55 and 20,634.96 is: 28,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,064.10 : 47,012.55 = 20,634.96 : x
  2. Step 2: Convert to fraction form
    34,064.10/47,012.55 = 20,634.96/x
  3. Step 3: Cross multiply
    34,064.10x = 47,012.55 × 20,634.96
  4. Step 4: Simplify right side
    34,064.10x = 970,102,088.75
  5. Step 5: Solve for x
    x = 970,102,088.75/34,064.10
  6. Step 6: Final answer
    x = 28,478.72

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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.