Home / 65,172.67-89,940.18-36,877.75

Finding the Fourth Proportional to 65,172.67, 89,940.18 and 36,877.75

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Solution

The fourth proportional to 65,172.67, 89,940.18 and 36,877.75 is: 50,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172.67 : 89,940.18 = 36,877.75 : x
  2. Step 2: Convert to fraction form
    65,172.67/89,940.18 = 36,877.75/x
  3. Step 3: Cross multiply
    65,172.67x = 89,940.18 × 36,877.75
  4. Step 4: Simplify right side
    65,172.67x = 3,316,791,473.00
  5. Step 5: Solve for x
    x = 3,316,791,473.00/65,172.67
  6. Step 6: Final answer
    x = 50,892.37

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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.