Home / 35,428.42-48,878.38-20,106.10

Finding the Fourth Proportional to 35,428.42, 48,878.38 and 20,106.10

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Solution

The fourth proportional to 35,428.42, 48,878.38 and 20,106.10 is: 27,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.42 : 48,878.38 = 20,106.10 : x
  2. Step 2: Convert to fraction form
    35,428.42/48,878.38 = 20,106.10/x
  3. Step 3: Cross multiply
    35,428.42x = 48,878.38 × 20,106.10
  4. Step 4: Simplify right side
    35,428.42x = 982,753,596.12
  5. Step 5: Solve for x
    x = 982,753,596.12/35,428.42
  6. Step 6: Final answer
    x = 27,739.13

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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.