Home / 36,913.88-55,331.94-18,407

Finding the Fourth Proportional to 36,913.88, 55,331.94 and 18,407

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Solution

The fourth proportional to 36,913.88, 55,331.94 and 18,407 is: 27,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.88 : 55,331.94 = 18,407 : x
  2. Step 2: Convert to fraction form
    36,913.88/55,331.94 = 18,407/x
  3. Step 3: Cross multiply
    36,913.88x = 55,331.94 × 18,407
  4. Step 4: Simplify right side
    36,913.88x = 1,018,495,019.58
  5. Step 5: Solve for x
    x = 1,018,495,019.58/36,913.88
  6. Step 6: Final answer
    x = 27,591.11

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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.