Home / 56,465.25-77,922.18-31,319.61

Finding the Fourth Proportional to 56,465.25, 77,922.18 and 31,319.61

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Solution

The fourth proportional to 56,465.25, 77,922.18 and 31,319.61 is: 43,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.25 : 77,922.18 = 31,319.61 : x
  2. Step 2: Convert to fraction form
    56,465.25/77,922.18 = 31,319.61/x
  3. Step 3: Cross multiply
    56,465.25x = 77,922.18 × 31,319.61
  4. Step 4: Simplify right side
    56,465.25x = 2,440,492,287.95
  5. Step 5: Solve for x
    x = 2,440,492,287.95/56,465.25
  6. Step 6: Final answer
    x = 43,221.14

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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.