Home / 34,869.78-48,105.45-20,714.94

Finding the Fourth Proportional to 34,869.78, 48,105.45 and 20,714.94

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Solution

The fourth proportional to 34,869.78, 48,105.45 and 20,714.94 is: 28,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.78 : 48,105.45 = 20,714.94 : x
  2. Step 2: Convert to fraction form
    34,869.78/48,105.45 = 20,714.94/x
  3. Step 3: Cross multiply
    34,869.78x = 48,105.45 × 20,714.94
  4. Step 4: Simplify right side
    34,869.78x = 996,501,510.42
  5. Step 5: Solve for x
    x = 996,501,510.42/34,869.78
  6. Step 6: Final answer
    x = 28,577.80

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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.