Home / 35,228.89-48,631.08-21,079

Finding the Fourth Proportional to 35,228.89, 48,631.08 and 21,079

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Solution

The fourth proportional to 35,228.89, 48,631.08 and 21,079 is: 29,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.89 : 48,631.08 = 21,079 : x
  2. Step 2: Convert to fraction form
    35,228.89/48,631.08 = 21,079/x
  3. Step 3: Cross multiply
    35,228.89x = 48,631.08 × 21,079
  4. Step 4: Simplify right side
    35,228.89x = 1,025,094,535.32
  5. Step 5: Solve for x
    x = 1,025,094,535.32/35,228.89
  6. Step 6: Final answer
    x = 29,098.12

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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.