Home / 45,075.36-67,605.12-13,902.24

Finding the Fourth Proportional to 45,075.36, 67,605.12 and 13,902.24

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Solution

The fourth proportional to 45,075.36, 67,605.12 and 13,902.24 is: 20,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.36 : 67,605.12 = 13,902.24 : x
  2. Step 2: Convert to fraction form
    45,075.36/67,605.12 = 13,902.24/x
  3. Step 3: Cross multiply
    45,075.36x = 67,605.12 × 13,902.24
  4. Step 4: Simplify right side
    45,075.36x = 939,862,603.47
  5. Step 5: Solve for x
    x = 939,862,603.47/45,075.36
  6. Step 6: Final answer
    x = 20,850.92

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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.