Home / 31,181.48-43,031.39-17,035.24

Finding the Fourth Proportional to 31,181.48, 43,031.39 and 17,035.24

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Solution

The fourth proportional to 31,181.48, 43,031.39 and 17,035.24 is: 23,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.48 : 43,031.39 = 17,035.24 : x
  2. Step 2: Convert to fraction form
    31,181.48/43,031.39 = 17,035.24/x
  3. Step 3: Cross multiply
    31,181.48x = 43,031.39 × 17,035.24
  4. Step 4: Simplify right side
    31,181.48x = 733,050,056.18
  5. Step 5: Solve for x
    x = 733,050,056.18/31,181.48
  6. Step 6: Final answer
    x = 23,509.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.