Home / 42,751.36-58,981.12-26,830

Finding the Fourth Proportional to 42,751.36, 58,981.12 and 26,830

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Solution

The fourth proportional to 42,751.36, 58,981.12 and 26,830 is: 37,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.36 : 58,981.12 = 26,830 : x
  2. Step 2: Convert to fraction form
    42,751.36/58,981.12 = 26,830/x
  3. Step 3: Cross multiply
    42,751.36x = 58,981.12 × 26,830
  4. Step 4: Simplify right side
    42,751.36x = 1,582,463,449.60
  5. Step 5: Solve for x
    x = 1,582,463,449.60/42,751.36
  6. Step 6: Final answer
    x = 37,015.51

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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.