Home / 31,513.74-47,241.39-11,777.28

Finding the Fourth Proportional to 31,513.74, 47,241.39 and 11,777.28

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Solution

The fourth proportional to 31,513.74, 47,241.39 and 11,777.28 is: 17,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.74 : 47,241.39 = 11,777.28 : x
  2. Step 2: Convert to fraction form
    31,513.74/47,241.39 = 11,777.28/x
  3. Step 3: Cross multiply
    31,513.74x = 47,241.39 × 11,777.28
  4. Step 4: Simplify right side
    31,513.74x = 556,375,077.62
  5. Step 5: Solve for x
    x = 556,375,077.62/31,513.74
  6. Step 6: Final answer
    x = 17,655.00

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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.