Home / 34,345.60-51,520.80-13,566.40

Finding the Fourth Proportional to 34,345.60, 51,520.80 and 13,566.40

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Solution

The fourth proportional to 34,345.60, 51,520.80 and 13,566.40 is: 20,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,345.60 : 51,520.80 = 13,566.40 : x
  2. Step 2: Convert to fraction form
    34,345.60/51,520.80 = 13,566.40/x
  3. Step 3: Cross multiply
    34,345.60x = 51,520.80 × 13,566.40
  4. Step 4: Simplify right side
    34,345.60x = 698,951,781.12
  5. Step 5: Solve for x
    x = 698,951,781.12/34,345.60
  6. Step 6: Final answer
    x = 20,350.55

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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.