Home / 36,918.76-50,948.42-20,151.40

Finding the Fourth Proportional to 36,918.76, 50,948.42 and 20,151.40

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Solution

The fourth proportional to 36,918.76, 50,948.42 and 20,151.40 is: 27,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.76 : 50,948.42 = 20,151.40 : x
  2. Step 2: Convert to fraction form
    36,918.76/50,948.42 = 20,151.40/x
  3. Step 3: Cross multiply
    36,918.76x = 50,948.42 × 20,151.40
  4. Step 4: Simplify right side
    36,918.76x = 1,026,681,990.79
  5. Step 5: Solve for x
    x = 1,026,681,990.79/36,918.76
  6. Step 6: Final answer
    x = 27,809.22

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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.