Home / 55,987.95-77,262.21-30,494.61

Finding the Fourth Proportional to 55,987.95, 77,262.21 and 30,494.61

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Solution

The fourth proportional to 55,987.95, 77,262.21 and 30,494.61 is: 42,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.95 : 77,262.21 = 30,494.61 : x
  2. Step 2: Convert to fraction form
    55,987.95/77,262.21 = 30,494.61/x
  3. Step 3: Cross multiply
    55,987.95x = 77,262.21 × 30,494.61
  4. Step 4: Simplify right side
    55,987.95x = 2,356,080,961.69
  5. Step 5: Solve for x
    x = 2,356,080,961.69/55,987.95
  6. Step 6: Final answer
    x = 42,081.93

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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.