Home / 20,359.60-30,539.67-5,569.72

Finding the Fourth Proportional to 20,359.60, 30,539.67 and 5,569.72

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Solution

The fourth proportional to 20,359.60, 30,539.67 and 5,569.72 is: 8,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.60 : 30,539.67 = 5,569.72 : x
  2. Step 2: Convert to fraction form
    20,359.60/30,539.67 = 5,569.72/x
  3. Step 3: Cross multiply
    20,359.60x = 30,539.67 × 5,569.72
  4. Step 4: Simplify right side
    20,359.60x = 170,097,410.79
  5. Step 5: Solve for x
    x = 170,097,410.79/20,359.60
  6. Step 6: Final answer
    x = 8,354.65

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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.