Home / 56,145.96-77,476.77-31,940.49

Finding the Fourth Proportional to 56,145.96, 77,476.77 and 31,940.49

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Solution

The fourth proportional to 56,145.96, 77,476.77 and 31,940.49 is: 44,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.96 : 77,476.77 = 31,940.49 : x
  2. Step 2: Convert to fraction form
    56,145.96/77,476.77 = 31,940.49/x
  3. Step 3: Cross multiply
    56,145.96x = 77,476.77 × 31,940.49
  4. Step 4: Simplify right side
    56,145.96x = 2,474,645,450.33
  5. Step 5: Solve for x
    x = 2,474,645,450.33/56,145.96
  6. Step 6: Final answer
    x = 44,075.22

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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.