Home / 36,386.77-54,562.88-12,691.44

Finding the Fourth Proportional to 36,386.77, 54,562.88 and 12,691.44

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Solution

The fourth proportional to 36,386.77, 54,562.88 and 12,691.44 is: 19,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.77 : 54,562.88 = 12,691.44 : x
  2. Step 2: Convert to fraction form
    36,386.77/54,562.88 = 12,691.44/x
  3. Step 3: Cross multiply
    36,386.77x = 54,562.88 × 12,691.44
  4. Step 4: Simplify right side
    36,386.77x = 692,481,494.14
  5. Step 5: Solve for x
    x = 692,481,494.14/36,386.77
  6. Step 6: Final answer
    x = 19,031.13

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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.