Home / 40,677.49-56,155.28-25,578.48

Finding the Fourth Proportional to 40,677.49, 56,155.28 and 25,578.48

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Solution

The fourth proportional to 40,677.49, 56,155.28 and 25,578.48 is: 35,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.49 : 56,155.28 = 25,578.48 : x
  2. Step 2: Convert to fraction form
    40,677.49/56,155.28 = 25,578.48/x
  3. Step 3: Cross multiply
    40,677.49x = 56,155.28 × 25,578.48
  4. Step 4: Simplify right side
    40,677.49x = 1,436,366,789.06
  5. Step 5: Solve for x
    x = 1,436,366,789.06/40,677.49
  6. Step 6: Final answer
    x = 35,311.10

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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.