Home / 31,398.14-43,287.54-26,902.64

Finding the Fourth Proportional to 31,398.14, 43,287.54 and 26,902.64

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Solution

The fourth proportional to 31,398.14, 43,287.54 and 26,902.64 is: 37,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.14 : 43,287.54 = 26,902.64 : x
  2. Step 2: Convert to fraction form
    31,398.14/43,287.54 = 26,902.64/x
  3. Step 3: Cross multiply
    31,398.14x = 43,287.54 × 26,902.64
  4. Step 4: Simplify right side
    31,398.14x = 1,164,549,105.11
  5. Step 5: Solve for x
    x = 1,164,549,105.11/31,398.14
  6. Step 6: Final answer
    x = 37,089.75

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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.