Home / 40,267.87-55,570.40-22,364.55

Finding the Fourth Proportional to 40,267.87, 55,570.40 and 22,364.55

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Solution

The fourth proportional to 40,267.87, 55,570.40 and 22,364.55 is: 30,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.87 : 55,570.40 = 22,364.55 : x
  2. Step 2: Convert to fraction form
    40,267.87/55,570.40 = 22,364.55/x
  3. Step 3: Cross multiply
    40,267.87x = 55,570.40 × 22,364.55
  4. Step 4: Simplify right side
    40,267.87x = 1,242,806,989.32
  5. Step 5: Solve for x
    x = 1,242,806,989.32/40,267.87
  6. Step 6: Final answer
    x = 30,863.49

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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.