Home / 36,068.36-54,087.90-12,689.32

Finding the Fourth Proportional to 36,068.36, 54,087.90 and 12,689.32

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Solution

The fourth proportional to 36,068.36, 54,087.90 and 12,689.32 is: 19,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,068.36 : 54,087.90 = 12,689.32 : x
  2. Step 2: Convert to fraction form
    36,068.36/54,087.90 = 12,689.32/x
  3. Step 3: Cross multiply
    36,068.36x = 54,087.90 × 12,689.32
  4. Step 4: Simplify right side
    36,068.36x = 686,338,671.23
  5. Step 5: Solve for x
    x = 686,338,671.23/36,068.36
  6. Step 6: Final answer
    x = 19,028.83

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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.