Home / 67,708.04-93,436.40-39,017.13

Finding the Fourth Proportional to 67,708.04, 93,436.40 and 39,017.13

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Solution

The fourth proportional to 67,708.04, 93,436.40 and 39,017.13 is: 53,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.04 : 93,436.40 = 39,017.13 : x
  2. Step 2: Convert to fraction form
    67,708.04/93,436.40 = 39,017.13/x
  3. Step 3: Cross multiply
    67,708.04x = 93,436.40 × 39,017.13
  4. Step 4: Simplify right side
    67,708.04x = 3,645,619,912.69
  5. Step 5: Solve for x
    x = 3,645,619,912.69/67,708.04
  6. Step 6: Final answer
    x = 53,843.24

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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.