Home / 34,403.60-51,535.04-20,321.15

Finding the Fourth Proportional to 34,403.60, 51,535.04 and 20,321.15

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Solution

The fourth proportional to 34,403.60, 51,535.04 and 20,321.15 is: 30,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,403.60 : 51,535.04 = 20,321.15 : x
  2. Step 2: Convert to fraction form
    34,403.60/51,535.04 = 20,321.15/x
  3. Step 3: Cross multiply
    34,403.60x = 51,535.04 × 20,321.15
  4. Step 4: Simplify right side
    34,403.60x = 1,047,250,918.82
  5. Step 5: Solve for x
    x = 1,047,250,918.82/34,403.60
  6. Step 6: Final answer
    x = 30,440.15

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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.