Home / 65,917.06-90,971.12-37,241.98

Finding the Fourth Proportional to 65,917.06, 90,971.12 and 37,241.98

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Solution

The fourth proportional to 65,917.06, 90,971.12 and 37,241.98 is: 51,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.06 : 90,971.12 = 37,241.98 : x
  2. Step 2: Convert to fraction form
    65,917.06/90,971.12 = 37,241.98/x
  3. Step 3: Cross multiply
    65,917.06x = 90,971.12 × 37,241.98
  4. Step 4: Simplify right side
    65,917.06x = 3,387,944,497.29
  5. Step 5: Solve for x
    x = 3,387,944,497.29/65,917.06
  6. Step 6: Final answer
    x = 51,397.08

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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.