Home / 84,256.18-126,383.91-21,926.50

Finding the Fourth Proportional to 84,256.18, 126,383.91 and 21,926.50

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Solution

The fourth proportional to 84,256.18, 126,383.91 and 21,926.50 is: 32,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.18 : 126,383.91 = 21,926.50 : x
  2. Step 2: Convert to fraction form
    84,256.18/126,383.91 = 21,926.50/x
  3. Step 3: Cross multiply
    84,256.18x = 126,383.91 × 21,926.50
  4. Step 4: Simplify right side
    84,256.18x = 2,771,156,802.62
  5. Step 5: Solve for x
    x = 2,771,156,802.62/84,256.18
  6. Step 6: Final answer
    x = 32,889.66

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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.