Home / 56,949.42-78,590.21-31,798.92

Finding the Fourth Proportional to 56,949.42, 78,590.21 and 31,798.92

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Solution

The fourth proportional to 56,949.42, 78,590.21 and 31,798.92 is: 43,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949.42 : 78,590.21 = 31,798.92 : x
  2. Step 2: Convert to fraction form
    56,949.42/78,590.21 = 31,798.92/x
  3. Step 3: Cross multiply
    56,949.42x = 78,590.21 × 31,798.92
  4. Step 4: Simplify right side
    56,949.42x = 2,499,083,641.58
  5. Step 5: Solve for x
    x = 2,499,083,641.58/56,949.42
  6. Step 6: Final answer
    x = 43,882.51

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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.