Home / 36,986.49-51,041.37-19,990.70

Finding the Fourth Proportional to 36,986.49, 51,041.37 and 19,990.70

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Solution

The fourth proportional to 36,986.49, 51,041.37 and 19,990.70 is: 27,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.49 : 51,041.37 = 19,990.70 : x
  2. Step 2: Convert to fraction form
    36,986.49/51,041.37 = 19,990.70/x
  3. Step 3: Cross multiply
    36,986.49x = 51,041.37 × 19,990.70
  4. Step 4: Simplify right side
    36,986.49x = 1,020,352,460.05
  5. Step 5: Solve for x
    x = 1,020,352,460.05/36,986.49
  6. Step 6: Final answer
    x = 27,587.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.