Home / 56,235.12-77,604.12-31,084.56

Finding the Fourth Proportional to 56,235.12, 77,604.12 and 31,084.56

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Solution

The fourth proportional to 56,235.12, 77,604.12 and 31,084.56 is: 42,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.12 : 77,604.12 = 31,084.56 : x
  2. Step 2: Convert to fraction form
    56,235.12/77,604.12 = 31,084.56/x
  3. Step 3: Cross multiply
    56,235.12x = 77,604.12 × 31,084.56
  4. Step 4: Simplify right side
    56,235.12x = 2,412,289,924.39
  5. Step 5: Solve for x
    x = 2,412,289,924.39/56,235.12
  6. Step 6: Final answer
    x = 42,896.50

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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.