Home / 56,436.84-77,882.70-31,286.52

Finding the Fourth Proportional to 56,436.84, 77,882.70 and 31,286.52

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Solution

The fourth proportional to 56,436.84, 77,882.70 and 31,286.52 is: 43,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436.84 : 77,882.70 = 31,286.52 : x
  2. Step 2: Convert to fraction form
    56,436.84/77,882.70 = 31,286.52/x
  3. Step 3: Cross multiply
    56,436.84x = 77,882.70 × 31,286.52
  4. Step 4: Simplify right side
    56,436.84x = 2,436,678,651.20
  5. Step 5: Solve for x
    x = 2,436,678,651.20/56,436.84
  6. Step 6: Final answer
    x = 43,175.32

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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.