Home / 31,304.48-43,192.08-19,373.60

Finding the Fourth Proportional to 31,304.48, 43,192.08 and 19,373.60

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Solution

The fourth proportional to 31,304.48, 43,192.08 and 19,373.60 is: 26,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.48 : 43,192.08 = 19,373.60 : x
  2. Step 2: Convert to fraction form
    31,304.48/43,192.08 = 19,373.60/x
  3. Step 3: Cross multiply
    31,304.48x = 43,192.08 × 19,373.60
  4. Step 4: Simplify right side
    31,304.48x = 836,786,081.09
  5. Step 5: Solve for x
    x = 836,786,081.09/31,304.48
  6. Step 6: Final answer
    x = 26,730.55

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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.