Home / 53,335.40-79,930.20-35,515.40

Finding the Fourth Proportional to 53,335.40, 79,930.20 and 35,515.40

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Solution

The fourth proportional to 53,335.40, 79,930.20 and 35,515.40 is: 53,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.40 : 79,930.20 = 35,515.40 : x
  2. Step 2: Convert to fraction form
    53,335.40/79,930.20 = 35,515.40/x
  3. Step 3: Cross multiply
    53,335.40x = 79,930.20 × 35,515.40
  4. Step 4: Simplify right side
    53,335.40x = 2,838,753,025.08
  5. Step 5: Solve for x
    x = 2,838,753,025.08/53,335.40
  6. Step 6: Final answer
    x = 53,224.56

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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.