Home / 34,421.77-51,588.91-18,821.17

Finding the Fourth Proportional to 34,421.77, 51,588.91 and 18,821.17

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Solution

The fourth proportional to 34,421.77, 51,588.91 and 18,821.17 is: 28,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.77 : 51,588.91 = 18,821.17 : x
  2. Step 2: Convert to fraction form
    34,421.77/51,588.91 = 18,821.17/x
  3. Step 3: Cross multiply
    34,421.77x = 51,588.91 × 18,821.17
  4. Step 4: Simplify right side
    34,421.77x = 970,963,293.17
  5. Step 5: Solve for x
    x = 970,963,293.17/34,421.77
  6. Step 6: Final answer
    x = 28,207.83

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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.