Home / 45,249.04-67,860.32-15,659.20

Finding the Fourth Proportional to 45,249.04, 67,860.32 and 15,659.20

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Solution

The fourth proportional to 45,249.04, 67,860.32 and 15,659.20 is: 23,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.04 : 67,860.32 = 15,659.20 : x
  2. Step 2: Convert to fraction form
    45,249.04/67,860.32 = 15,659.20/x
  3. Step 3: Cross multiply
    45,249.04x = 67,860.32 × 15,659.20
  4. Step 4: Simplify right side
    45,249.04x = 1,062,638,322.94
  5. Step 5: Solve for x
    x = 1,062,638,322.94/45,249.04
  6. Step 6: Final answer
    x = 23,484.22

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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.