Home / 36,300.95-54,140.91-31,887.53

Finding the Fourth Proportional to 36,300.95, 54,140.91 and 31,887.53

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Solution

The fourth proportional to 36,300.95, 54,140.91 and 31,887.53 is: 47,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,300.95 : 54,140.91 = 31,887.53 : x
  2. Step 2: Convert to fraction form
    36,300.95/54,140.91 = 31,887.53/x
  3. Step 3: Cross multiply
    36,300.95x = 54,140.91 × 31,887.53
  4. Step 4: Simplify right side
    36,300.95x = 1,726,419,621.15
  5. Step 5: Solve for x
    x = 1,726,419,621.15/36,300.95
  6. Step 6: Final answer
    x = 47,558.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.