Home / 31,351.08-47,031.03-9,166.17

Finding the Fourth Proportional to 31,351.08, 47,031.03 and 9,166.17

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Solution

The fourth proportional to 31,351.08, 47,031.03 and 9,166.17 is: 13,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.08 : 47,031.03 = 9,166.17 : x
  2. Step 2: Convert to fraction form
    31,351.08/47,031.03 = 9,166.17/x
  3. Step 3: Cross multiply
    31,351.08x = 47,031.03 × 9,166.17
  4. Step 4: Simplify right side
    31,351.08x = 431,094,416.26
  5. Step 5: Solve for x
    x = 431,094,416.26/31,351.08
  6. Step 6: Final answer
    x = 13,750.54

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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.