Home / 56,134.73-77,465.87-30,984.17

Finding the Fourth Proportional to 56,134.73, 77,465.87 and 30,984.17

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Solution

The fourth proportional to 56,134.73, 77,465.87 and 30,984.17 is: 42,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.73 : 77,465.87 = 30,984.17 : x
  2. Step 2: Convert to fraction form
    56,134.73/77,465.87 = 30,984.17/x
  3. Step 3: Cross multiply
    56,134.73x = 77,465.87 × 30,984.17
  4. Step 4: Simplify right side
    56,134.73x = 2,400,215,297.95
  5. Step 5: Solve for x
    x = 2,400,215,297.95/56,134.73
  6. Step 6: Final answer
    x = 42,758.12

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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.