Home / 49,151.40-73,719-21,075.99

Finding the Fourth Proportional to 49,151.40, 73,719 and 21,075.99

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Solution

The fourth proportional to 49,151.40, 73,719 and 21,075.99 is: 31,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,151.40 : 73,719 = 21,075.99 : x
  2. Step 2: Convert to fraction form
    49,151.40/73,719 = 21,075.99/x
  3. Step 3: Cross multiply
    49,151.40x = 73,719 × 21,075.99
  4. Step 4: Simplify right side
    49,151.40x = 1,553,700,906.81
  5. Step 5: Solve for x
    x = 1,553,700,906.81/49,151.40
  6. Step 6: Final answer
    x = 31,610.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.