Home / 40,478.24-55,860.28-22,574.40

Finding the Fourth Proportional to 40,478.24, 55,860.28 and 22,574.40

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Solution

The fourth proportional to 40,478.24, 55,860.28 and 22,574.40 is: 31,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.24 : 55,860.28 = 22,574.40 : x
  2. Step 2: Convert to fraction form
    40,478.24/55,860.28 = 22,574.40/x
  3. Step 3: Cross multiply
    40,478.24x = 55,860.28 × 22,574.40
  4. Step 4: Simplify right side
    40,478.24x = 1,261,012,304.83
  5. Step 5: Solve for x
    x = 1,261,012,304.83/40,478.24
  6. Step 6: Final answer
    x = 31,152.84

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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.