Home / 36,299.19-54,456.54-12,607.47

Finding the Fourth Proportional to 36,299.19, 54,456.54 and 12,607.47

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Solution

The fourth proportional to 36,299.19, 54,456.54 and 12,607.47 is: 18,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.19 : 54,456.54 = 12,607.47 : x
  2. Step 2: Convert to fraction form
    36,299.19/54,456.54 = 12,607.47/x
  3. Step 3: Cross multiply
    36,299.19x = 54,456.54 × 12,607.47
  4. Step 4: Simplify right side
    36,299.19x = 686,559,194.35
  5. Step 5: Solve for x
    x = 686,559,194.35/36,299.19
  6. Step 6: Final answer
    x = 18,913.90

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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.