Home / 36,420.08-54,643.26-12,731.14

Finding the Fourth Proportional to 36,420.08, 54,643.26 and 12,731.14

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Solution

The fourth proportional to 36,420.08, 54,643.26 and 12,731.14 is: 19,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.08 : 54,643.26 = 12,731.14 : x
  2. Step 2: Convert to fraction form
    36,420.08/54,643.26 = 12,731.14/x
  3. Step 3: Cross multiply
    36,420.08x = 54,643.26 × 12,731.14
  4. Step 4: Simplify right side
    36,420.08x = 695,670,993.12
  5. Step 5: Solve for x
    x = 695,670,993.12/36,420.08
  6. Step 6: Final answer
    x = 19,101.30

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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.