Home / 35,389.82-48,837.11-20,291.32

Finding the Fourth Proportional to 35,389.82, 48,837.11 and 20,291.32

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Solution

The fourth proportional to 35,389.82, 48,837.11 and 20,291.32 is: 28,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.82 : 48,837.11 = 20,291.32 : x
  2. Step 2: Convert to fraction form
    35,389.82/48,837.11 = 20,291.32/x
  3. Step 3: Cross multiply
    35,389.82x = 48,837.11 × 20,291.32
  4. Step 4: Simplify right side
    35,389.82x = 990,969,386.47
  5. Step 5: Solve for x
    x = 990,969,386.47/35,389.82
  6. Step 6: Final answer
    x = 28,001.54

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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.