Home / 40,478.49-55,860.62-22,574.66

Finding the Fourth Proportional to 40,478.49, 55,860.62 and 22,574.66

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Solution

The fourth proportional to 40,478.49, 55,860.62 and 22,574.66 is: 31,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.49 : 55,860.62 = 22,574.66 : x
  2. Step 2: Convert to fraction form
    40,478.49/55,860.62 = 22,574.66/x
  3. Step 3: Cross multiply
    40,478.49x = 55,860.62 × 22,574.66
  4. Step 4: Simplify right side
    40,478.49x = 1,261,034,111.71
  5. Step 5: Solve for x
    x = 1,261,034,111.71/40,478.49
  6. Step 6: Final answer
    x = 31,153.19

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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.