Home / 42,121.28-58,126.60-23,258

Finding the Fourth Proportional to 42,121.28, 58,126.60 and 23,258

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Solution

The fourth proportional to 42,121.28, 58,126.60 and 23,258 is: 32,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.28 : 58,126.60 = 23,258 : x
  2. Step 2: Convert to fraction form
    42,121.28/58,126.60 = 23,258/x
  3. Step 3: Cross multiply
    42,121.28x = 58,126.60 × 23,258
  4. Step 4: Simplify right side
    42,121.28x = 1,351,908,462.80
  5. Step 5: Solve for x
    x = 1,351,908,462.80/42,121.28
  6. Step 6: Final answer
    x = 32,095.62

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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.