Home / 38,691.96-53,425.62-31,114.01

Finding the Fourth Proportional to 38,691.96, 53,425.62 and 31,114.01

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Solution

The fourth proportional to 38,691.96, 53,425.62 and 31,114.01 is: 42,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.96 : 53,425.62 = 31,114.01 : x
  2. Step 2: Convert to fraction form
    38,691.96/53,425.62 = 31,114.01/x
  3. Step 3: Cross multiply
    38,691.96x = 53,425.62 × 31,114.01
  4. Step 4: Simplify right side
    38,691.96x = 1,662,285,007.81
  5. Step 5: Solve for x
    x = 1,662,285,007.81/38,691.96
  6. Step 6: Final answer
    x = 42,962.03

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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.