Home / 34,719.38-47,909.32-19,403.10

Finding the Fourth Proportional to 34,719.38, 47,909.32 and 19,403.10

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Solution

The fourth proportional to 34,719.38, 47,909.32 and 19,403.10 is: 26,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.38 : 47,909.32 = 19,403.10 : x
  2. Step 2: Convert to fraction form
    34,719.38/47,909.32 = 19,403.10/x
  3. Step 3: Cross multiply
    34,719.38x = 47,909.32 × 19,403.10
  4. Step 4: Simplify right side
    34,719.38x = 929,589,326.89
  5. Step 5: Solve for x
    x = 929,589,326.89/34,719.38
  6. Step 6: Final answer
    x = 26,774.36

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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.