Home / 44,282.25-66,436.38-13,118.31

Finding the Fourth Proportional to 44,282.25, 66,436.38 and 13,118.31

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Solution

The fourth proportional to 44,282.25, 66,436.38 and 13,118.31 is: 19,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,282.25 : 66,436.38 = 13,118.31 : x
  2. Step 2: Convert to fraction form
    44,282.25/66,436.38 = 13,118.31/x
  3. Step 3: Cross multiply
    44,282.25x = 66,436.38 × 13,118.31
  4. Step 4: Simplify right side
    44,282.25x = 871,533,028.12
  5. Step 5: Solve for x
    x = 871,533,028.12/44,282.25
  6. Step 6: Final answer
    x = 19,681.32

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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.