Home / 34,527.20-51,829.20-21,394.40

Finding the Fourth Proportional to 34,527.20, 51,829.20 and 21,394.40

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Solution

The fourth proportional to 34,527.20, 51,829.20 and 21,394.40 is: 32,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,527.20 : 51,829.20 = 21,394.40 : x
  2. Step 2: Convert to fraction form
    34,527.20/51,829.20 = 21,394.40/x
  3. Step 3: Cross multiply
    34,527.20x = 51,829.20 × 21,394.40
  4. Step 4: Simplify right side
    34,527.20x = 1,108,854,636.48
  5. Step 5: Solve for x
    x = 1,108,854,636.48/34,527.20
  6. Step 6: Final answer
    x = 32,115.39

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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.