Home / 42,119.91-58,125.62-22,999.89

Finding the Fourth Proportional to 42,119.91, 58,125.62 and 22,999.89

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Solution

The fourth proportional to 42,119.91, 58,125.62 and 22,999.89 is: 31,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.91 : 58,125.62 = 22,999.89 : x
  2. Step 2: Convert to fraction form
    42,119.91/58,125.62 = 22,999.89/x
  3. Step 3: Cross multiply
    42,119.91x = 58,125.62 × 22,999.89
  4. Step 4: Simplify right side
    42,119.91x = 1,336,883,019.92
  5. Step 5: Solve for x
    x = 1,336,883,019.92/42,119.91
  6. Step 6: Final answer
    x = 31,739.93

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1.5x scale

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.