Home / 41,590.79-57,378.12-30,235.40

Finding the Fourth Proportional to 41,590.79, 57,378.12 and 30,235.40

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Solution

The fourth proportional to 41,590.79, 57,378.12 and 30,235.40 is: 41,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,590.79 : 57,378.12 = 30,235.40 : x
  2. Step 2: Convert to fraction form
    41,590.79/57,378.12 = 30,235.40/x
  3. Step 3: Cross multiply
    41,590.79x = 57,378.12 × 30,235.40
  4. Step 4: Simplify right side
    41,590.79x = 1,734,850,409.45
  5. Step 5: Solve for x
    x = 1,734,850,409.45/41,590.79
  6. Step 6: Final answer
    x = 41,712.37

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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.