Home / 35,421.04-48,879.96-19,505.57

Finding the Fourth Proportional to 35,421.04, 48,879.96 and 19,505.57

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Solution

The fourth proportional to 35,421.04, 48,879.96 and 19,505.57 is: 26,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.04 : 48,879.96 = 19,505.57 : x
  2. Step 2: Convert to fraction form
    35,421.04/48,879.96 = 19,505.57/x
  3. Step 3: Cross multiply
    35,421.04x = 48,879.96 × 19,505.57
  4. Step 4: Simplify right side
    35,421.04x = 953,431,481.38
  5. Step 5: Solve for x
    x = 953,431,481.38/35,421.04
  6. Step 6: Final answer
    x = 26,917.10

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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.