Home / 36,418.51-50,265.05-21,319.10

Finding the Fourth Proportional to 36,418.51, 50,265.05 and 21,319.10

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Solution

The fourth proportional to 36,418.51, 50,265.05 and 21,319.10 is: 29,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.51 : 50,265.05 = 21,319.10 : x
  2. Step 2: Convert to fraction form
    36,418.51/50,265.05 = 21,319.10/x
  3. Step 3: Cross multiply
    36,418.51x = 50,265.05 × 21,319.10
  4. Step 4: Simplify right side
    36,418.51x = 1,071,605,627.46
  5. Step 5: Solve for x
    x = 1,071,605,627.46/36,418.51
  6. Step 6: Final answer
    x = 29,424.75

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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.