Home / 67,959.20-93,784.30-39,659.42

Finding the Fourth Proportional to 67,959.20, 93,784.30 and 39,659.42

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Solution

The fourth proportional to 67,959.20, 93,784.30 and 39,659.42 is: 54,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,959.20 : 93,784.30 = 39,659.42 : x
  2. Step 2: Convert to fraction form
    67,959.20/93,784.30 = 39,659.42/x
  3. Step 3: Cross multiply
    67,959.20x = 93,784.30 × 39,659.42
  4. Step 4: Simplify right side
    67,959.20x = 3,719,430,943.11
  5. Step 5: Solve for x
    x = 3,719,430,943.11/67,959.20
  6. Step 6: Final answer
    x = 54,730.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.