Home / 56,040.85-77,334.04-30,546.65

Finding the Fourth Proportional to 56,040.85, 77,334.04 and 30,546.65

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Solution

The fourth proportional to 56,040.85, 77,334.04 and 30,546.65 is: 42,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,040.85 : 77,334.04 = 30,546.65 : x
  2. Step 2: Convert to fraction form
    56,040.85/77,334.04 = 30,546.65/x
  3. Step 3: Cross multiply
    56,040.85x = 77,334.04 × 30,546.65
  4. Step 4: Simplify right side
    56,040.85x = 2,362,295,852.97
  5. Step 5: Solve for x
    x = 2,362,295,852.97/56,040.85
  6. Step 6: Final answer
    x = 42,153.11

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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.