Home / 36,699.90-55,006.65-19,160.70

Finding the Fourth Proportional to 36,699.90, 55,006.65 and 19,160.70

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Solution

The fourth proportional to 36,699.90, 55,006.65 and 19,160.70 is: 28,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.90 : 55,006.65 = 19,160.70 : x
  2. Step 2: Convert to fraction form
    36,699.90/55,006.65 = 19,160.70/x
  3. Step 3: Cross multiply
    36,699.90x = 55,006.65 × 19,160.70
  4. Step 4: Simplify right side
    36,699.90x = 1,053,965,918.66
  5. Step 5: Solve for x
    x = 1,053,965,918.66/36,699.90
  6. Step 6: Final answer
    x = 28,718.50

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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.