Home / 29,820.70-41,154.69-19,731.52

Finding the Fourth Proportional to 29,820.70, 41,154.69 and 19,731.52

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Solution

The fourth proportional to 29,820.70, 41,154.69 and 19,731.52 is: 27,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.70 : 41,154.69 = 19,731.52 : x
  2. Step 2: Convert to fraction form
    29,820.70/41,154.69 = 19,731.52/x
  3. Step 3: Cross multiply
    29,820.70x = 41,154.69 × 19,731.52
  4. Step 4: Simplify right side
    29,820.70x = 812,044,588.83
  5. Step 5: Solve for x
    x = 812,044,588.83/29,820.70
  6. Step 6: Final answer
    x = 27,230.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.