Home / 67,394.32-92,974.56-40,521.28

Finding the Fourth Proportional to 67,394.32, 92,974.56 and 40,521.28

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Solution

The fourth proportional to 67,394.32, 92,974.56 and 40,521.28 is: 55,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394.32 : 92,974.56 = 40,521.28 : x
  2. Step 2: Convert to fraction form
    67,394.32/92,974.56 = 40,521.28/x
  3. Step 3: Cross multiply
    67,394.32x = 92,974.56 × 40,521.28
  4. Step 4: Simplify right side
    67,394.32x = 3,767,448,178.64
  5. Step 5: Solve for x
    x = 3,767,448,178.64/67,394.32
  6. Step 6: Final answer
    x = 55,901.57

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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.