Home / 35,389.09-48,839.12-19,477.05

Finding the Fourth Proportional to 35,389.09, 48,839.12 and 19,477.05

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Solution

The fourth proportional to 35,389.09, 48,839.12 and 19,477.05 is: 26,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.09 : 48,839.12 = 19,477.05 : x
  2. Step 2: Convert to fraction form
    35,389.09/48,839.12 = 19,477.05/x
  3. Step 3: Cross multiply
    35,389.09x = 48,839.12 × 19,477.05
  4. Step 4: Simplify right side
    35,389.09x = 951,241,982.20
  5. Step 5: Solve for x
    x = 951,241,982.20/35,389.09
  6. Step 6: Final answer
    x = 26,879.53

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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.