Home / 54,211.45-74,812.70-29,681.86

Finding the Fourth Proportional to 54,211.45, 74,812.70 and 29,681.86

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Solution

The fourth proportional to 54,211.45, 74,812.70 and 29,681.86 is: 40,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.45 : 74,812.70 = 29,681.86 : x
  2. Step 2: Convert to fraction form
    54,211.45/74,812.70 = 29,681.86/x
  3. Step 3: Cross multiply
    54,211.45x = 74,812.70 × 29,681.86
  4. Step 4: Simplify right side
    54,211.45x = 2,220,580,087.62
  5. Step 5: Solve for x
    x = 2,220,580,087.62/54,211.45
  6. Step 6: Final answer
    x = 40,961.46

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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.