Home / 49,173.06-67,848.66-31,261.53

Finding the Fourth Proportional to 49,173.06, 67,848.66 and 31,261.53

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Solution

The fourth proportional to 49,173.06, 67,848.66 and 31,261.53 is: 43,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,173.06 : 67,848.66 = 31,261.53 : x
  2. Step 2: Convert to fraction form
    49,173.06/67,848.66 = 31,261.53/x
  3. Step 3: Cross multiply
    49,173.06x = 67,848.66 × 31,261.53
  4. Step 4: Simplify right side
    49,173.06x = 2,121,052,920.05
  5. Step 5: Solve for x
    x = 2,121,052,920.05/49,173.06
  6. Step 6: Final answer
    x = 43,134.45

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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.