Home / 36,678.17-55,021.12-11,712.35

Finding the Fourth Proportional to 36,678.17, 55,021.12 and 11,712.35

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Solution

The fourth proportional to 36,678.17, 55,021.12 and 11,712.35 is: 17,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.17 : 55,021.12 = 11,712.35 : x
  2. Step 2: Convert to fraction form
    36,678.17/55,021.12 = 11,712.35/x
  3. Step 3: Cross multiply
    36,678.17x = 55,021.12 × 11,712.35
  4. Step 4: Simplify right side
    36,678.17x = 644,426,479.49
  5. Step 5: Solve for x
    x = 644,426,479.49/36,678.17
  6. Step 6: Final answer
    x = 17,569.76

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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.