Home / 34,267.60-51,454.20-18,715.60

Finding the Fourth Proportional to 34,267.60, 51,454.20 and 18,715.60

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Solution

The fourth proportional to 34,267.60, 51,454.20 and 18,715.60 is: 28,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,267.60 : 51,454.20 = 18,715.60 : x
  2. Step 2: Convert to fraction form
    34,267.60/51,454.20 = 18,715.60/x
  3. Step 3: Cross multiply
    34,267.60x = 51,454.20 × 18,715.60
  4. Step 4: Simplify right side
    34,267.60x = 962,996,225.52
  5. Step 5: Solve for x
    x = 962,996,225.52/34,267.60
  6. Step 6: Final answer
    x = 28,102.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.