Home / 40,724.12-56,199.26-22,819.28

Finding the Fourth Proportional to 40,724.12, 56,199.26 and 22,819.28

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Solution

The fourth proportional to 40,724.12, 56,199.26 and 22,819.28 is: 31,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.12 : 56,199.26 = 22,819.28 : x
  2. Step 2: Convert to fraction form
    40,724.12/56,199.26 = 22,819.28/x
  3. Step 3: Cross multiply
    40,724.12x = 56,199.26 × 22,819.28
  4. Step 4: Simplify right side
    40,724.12x = 1,282,426,425.78
  5. Step 5: Solve for x
    x = 1,282,426,425.78/40,724.12
  6. Step 6: Final answer
    x = 31,490.58

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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.