Home / 30,362.85-41,920.23-19,047.86

Finding the Fourth Proportional to 30,362.85, 41,920.23 and 19,047.86

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Solution

The fourth proportional to 30,362.85, 41,920.23 and 19,047.86 is: 26,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.85 : 41,920.23 = 19,047.86 : x
  2. Step 2: Convert to fraction form
    30,362.85/41,920.23 = 19,047.86/x
  3. Step 3: Cross multiply
    30,362.85x = 41,920.23 × 19,047.86
  4. Step 4: Simplify right side
    30,362.85x = 798,490,691.24
  5. Step 5: Solve for x
    x = 798,490,691.24/30,362.85
  6. Step 6: Final answer
    x = 26,298.28

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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.