Home / 40,470.49-60,653.78-19,378.92

Finding the Fourth Proportional to 40,470.49, 60,653.78 and 19,378.92

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Solution

The fourth proportional to 40,470.49, 60,653.78 and 19,378.92 is: 29,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.49 : 60,653.78 = 19,378.92 : x
  2. Step 2: Convert to fraction form
    40,470.49/60,653.78 = 19,378.92/x
  3. Step 3: Cross multiply
    40,470.49x = 60,653.78 × 19,378.92
  4. Step 4: Simplify right side
    40,470.49x = 1,175,404,805.06
  5. Step 5: Solve for x
    x = 1,175,404,805.06/40,470.49
  6. Step 6: Final answer
    x = 29,043.51

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1.5x scale

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.