Home / 36,107.49-54,147.95-12,408.31

Finding the Fourth Proportional to 36,107.49, 54,147.95 and 12,408.31

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Solution

The fourth proportional to 36,107.49, 54,147.95 and 12,408.31 is: 18,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.49 : 54,147.95 = 12,408.31 : x
  2. Step 2: Convert to fraction form
    36,107.49/54,147.95 = 12,408.31/x
  3. Step 3: Cross multiply
    36,107.49x = 54,147.95 × 12,408.31
  4. Step 4: Simplify right side
    36,107.49x = 671,884,549.46
  5. Step 5: Solve for x
    x = 671,884,549.46/36,107.49
  6. Step 6: Final answer
    x = 18,607.90

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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.