Home / 42,711.36-58,926.06-26,790

Finding the Fourth Proportional to 42,711.36, 58,926.06 and 26,790

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Solution

The fourth proportional to 42,711.36, 58,926.06 and 26,790 is: 36,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,711.36 : 58,926.06 = 26,790 : x
  2. Step 2: Convert to fraction form
    42,711.36/58,926.06 = 26,790/x
  3. Step 3: Cross multiply
    42,711.36x = 58,926.06 × 26,790
  4. Step 4: Simplify right side
    42,711.36x = 1,578,629,147.40
  5. Step 5: Solve for x
    x = 1,578,629,147.40/42,711.36
  6. Step 6: Final answer
    x = 36,960.40

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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.