Home / 52,021.17-77,984.91-18,717.82

Finding the Fourth Proportional to 52,021.17, 77,984.91 and 18,717.82

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Solution

The fourth proportional to 52,021.17, 77,984.91 and 18,717.82 is: 28,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.17 : 77,984.91 = 18,717.82 : x
  2. Step 2: Convert to fraction form
    52,021.17/77,984.91 = 18,717.82/x
  3. Step 3: Cross multiply
    52,021.17x = 77,984.91 × 18,717.82
  4. Step 4: Simplify right side
    52,021.17x = 1,459,707,508.10
  5. Step 5: Solve for x
    x = 1,459,707,508.10/52,021.17
  6. Step 6: Final answer
    x = 28,059.87

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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.