Home / 51,250.25-76,875.89-17,971.13

Finding the Fourth Proportional to 51,250.25, 76,875.89 and 17,971.13

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Solution

The fourth proportional to 51,250.25, 76,875.89 and 17,971.13 is: 26,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,250.25 : 76,875.89 = 17,971.13 : x
  2. Step 2: Convert to fraction form
    51,250.25/76,875.89 = 17,971.13/x
  3. Step 3: Cross multiply
    51,250.25x = 76,875.89 × 17,971.13
  4. Step 4: Simplify right side
    51,250.25x = 1,381,546,715.39
  5. Step 5: Solve for x
    x = 1,381,546,715.39/51,250.25
  6. Step 6: Final answer
    x = 26,956.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.