Home / 56,270.16-77,651.94-30,775.95

Finding the Fourth Proportional to 56,270.16, 77,651.94 and 30,775.95

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Solution

The fourth proportional to 56,270.16, 77,651.94 and 30,775.95 is: 42,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.16 : 77,651.94 = 30,775.95 : x
  2. Step 2: Convert to fraction form
    56,270.16/77,651.94 = 30,775.95/x
  3. Step 3: Cross multiply
    56,270.16x = 77,651.94 × 30,775.95
  4. Step 4: Simplify right side
    56,270.16x = 2,389,812,222.84
  5. Step 5: Solve for x
    x = 2,389,812,222.84/56,270.16
  6. Step 6: Final answer
    x = 42,470.33

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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.