Home / 65,001.39-89,693.66-38,134.09

Finding the Fourth Proportional to 65,001.39, 89,693.66 and 38,134.09

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Solution

The fourth proportional to 65,001.39, 89,693.66 and 38,134.09 is: 52,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.39 : 89,693.66 = 38,134.09 : x
  2. Step 2: Convert to fraction form
    65,001.39/89,693.66 = 38,134.09/x
  3. Step 3: Cross multiply
    65,001.39x = 89,693.66 × 38,134.09
  4. Step 4: Simplify right side
    65,001.39x = 3,420,386,102.87
  5. Step 5: Solve for x
    x = 3,420,386,102.87/65,001.39
  6. Step 6: Final answer
    x = 52,620.20

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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.