Home / 35,001.46-48,293.34-21,386

Finding the Fourth Proportional to 35,001.46, 48,293.34 and 21,386

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Solution

The fourth proportional to 35,001.46, 48,293.34 and 21,386 is: 29,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,001.46 : 48,293.34 = 21,386 : x
  2. Step 2: Convert to fraction form
    35,001.46/48,293.34 = 21,386/x
  3. Step 3: Cross multiply
    35,001.46x = 48,293.34 × 21,386
  4. Step 4: Simplify right side
    35,001.46x = 1,032,801,369.24
  5. Step 5: Solve for x
    x = 1,032,801,369.24/35,001.46
  6. Step 6: Final answer
    x = 29,507.38

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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.