Home / 56,723.98-78,280.97-31,232.22

Finding the Fourth Proportional to 56,723.98, 78,280.97 and 31,232.22

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Solution

The fourth proportional to 56,723.98, 78,280.97 and 31,232.22 is: 43,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.98 : 78,280.97 = 31,232.22 : x
  2. Step 2: Convert to fraction form
    56,723.98/78,280.97 = 31,232.22/x
  3. Step 3: Cross multiply
    56,723.98x = 78,280.97 × 31,232.22
  4. Step 4: Simplify right side
    56,723.98x = 2,444,888,027.14
  5. Step 5: Solve for x
    x = 2,444,888,027.14/56,723.98
  6. Step 6: Final answer
    x = 43,101.49

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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.