Home / 31,506.08-47,233.56-11,781.76

Finding the Fourth Proportional to 31,506.08, 47,233.56 and 11,781.76

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Solution

The fourth proportional to 31,506.08, 47,233.56 and 11,781.76 is: 17,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.08 : 47,233.56 = 11,781.76 : x
  2. Step 2: Convert to fraction form
    31,506.08/47,233.56 = 11,781.76/x
  3. Step 3: Cross multiply
    31,506.08x = 47,233.56 × 11,781.76
  4. Step 4: Simplify right side
    31,506.08x = 556,494,467.87
  5. Step 5: Solve for x
    x = 556,494,467.87/31,506.08
  6. Step 6: Final answer
    x = 17,663.08

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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.