Home / 50,075.19-75,107.91-13,139.19

Finding the Fourth Proportional to 50,075.19, 75,107.91 and 13,139.19

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Solution

The fourth proportional to 50,075.19, 75,107.91 and 13,139.19 is: 19,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,075.19 : 75,107.91 = 13,139.19 : x
  2. Step 2: Convert to fraction form
    50,075.19/75,107.91 = 13,139.19/x
  3. Step 3: Cross multiply
    50,075.19x = 75,107.91 × 13,139.19
  4. Step 4: Simplify right side
    50,075.19x = 986,857,099.99
  5. Step 5: Solve for x
    x = 986,857,099.99/50,075.19
  6. Step 6: Final answer
    x = 19,707.51

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1.5x scale

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.