Home / 31,574.04-43,587.96-19,641.24

Finding the Fourth Proportional to 31,574.04, 43,587.96 and 19,641.24

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Solution

The fourth proportional to 31,574.04, 43,587.96 and 19,641.24 is: 27,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.04 : 43,587.96 = 19,641.24 : x
  2. Step 2: Convert to fraction form
    31,574.04/43,587.96 = 19,641.24/x
  3. Step 3: Cross multiply
    31,574.04x = 43,587.96 × 19,641.24
  4. Step 4: Simplify right side
    31,574.04x = 856,121,583.47
  5. Step 5: Solve for x
    x = 856,121,583.47/31,574.04
  6. Step 6: Final answer
    x = 27,114.73

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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.