Home / 51,217.81-76,808.94-17,937.13

Finding the Fourth Proportional to 51,217.81, 76,808.94 and 17,937.13

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Solution

The fourth proportional to 51,217.81, 76,808.94 and 17,937.13 is: 26,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.81 : 76,808.94 = 17,937.13 : x
  2. Step 2: Convert to fraction form
    51,217.81/76,808.94 = 17,937.13/x
  3. Step 3: Cross multiply
    51,217.81x = 76,808.94 × 17,937.13
  4. Step 4: Simplify right side
    51,217.81x = 1,377,731,941.94
  5. Step 5: Solve for x
    x = 1,377,731,941.94/51,217.81
  6. Step 6: Final answer
    x = 26,899.47

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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.