Home / 40,578.28-56,007.38-26,406.52

Finding the Fourth Proportional to 40,578.28, 56,007.38 and 26,406.52

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Solution

The fourth proportional to 40,578.28, 56,007.38 and 26,406.52 is: 36,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.28 : 56,007.38 = 26,406.52 : x
  2. Step 2: Convert to fraction form
    40,578.28/56,007.38 = 26,406.52/x
  3. Step 3: Cross multiply
    40,578.28x = 56,007.38 × 26,406.52
  4. Step 4: Simplify right side
    40,578.28x = 1,478,960,000.12
  5. Step 5: Solve for x
    x = 1,478,960,000.12/40,578.28
  6. Step 6: Final answer
    x = 36,447.08

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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.