Home / 35,837.20-49,290.90-28,748.08

Finding the Fourth Proportional to 35,837.20, 49,290.90 and 28,748.08

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Solution

The fourth proportional to 35,837.20, 49,290.90 and 28,748.08 is: 39,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.20 : 49,290.90 = 28,748.08 : x
  2. Step 2: Convert to fraction form
    35,837.20/49,290.90 = 28,748.08/x
  3. Step 3: Cross multiply
    35,837.20x = 49,290.90 × 28,748.08
  4. Step 4: Simplify right side
    35,837.20x = 1,417,018,736.47
  5. Step 5: Solve for x
    x = 1,417,018,736.47/35,837.20
  6. Step 6: Final answer
    x = 39,540.44

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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.