Home / 36,677.88-55,019.76-11,721.45

Finding the Fourth Proportional to 36,677.88, 55,019.76 and 11,721.45

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Solution

The fourth proportional to 36,677.88, 55,019.76 and 11,721.45 is: 17,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,677.88 : 55,019.76 = 11,721.45 : x
  2. Step 2: Convert to fraction form
    36,677.88/55,019.76 = 11,721.45/x
  3. Step 3: Cross multiply
    36,677.88x = 55,019.76 × 11,721.45
  4. Step 4: Simplify right side
    36,677.88x = 644,911,365.85
  5. Step 5: Solve for x
    x = 644,911,365.85/36,677.88
  6. Step 6: Final answer
    x = 17,583.11

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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.