Home / 67,397.28-93,017.04-39,111.84

Finding the Fourth Proportional to 67,397.28, 93,017.04 and 39,111.84

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Solution

The fourth proportional to 67,397.28, 93,017.04 and 39,111.84 is: 53,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.28 : 93,017.04 = 39,111.84 : x
  2. Step 2: Convert to fraction form
    67,397.28/93,017.04 = 39,111.84/x
  3. Step 3: Cross multiply
    67,397.28x = 93,017.04 × 39,111.84
  4. Step 4: Simplify right side
    67,397.28x = 3,638,067,585.75
  5. Step 5: Solve for x
    x = 3,638,067,585.75/67,397.28
  6. Step 6: Final answer
    x = 53,979.44

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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.