Home / 56,391.18-77,818.62-30,896.29

Finding the Fourth Proportional to 56,391.18, 77,818.62 and 30,896.29

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Solution

The fourth proportional to 56,391.18, 77,818.62 and 30,896.29 is: 42,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,391.18 : 77,818.62 = 30,896.29 : x
  2. Step 2: Convert to fraction form
    56,391.18/77,818.62 = 30,896.29/x
  3. Step 3: Cross multiply
    56,391.18x = 77,818.62 × 30,896.29
  4. Step 4: Simplify right side
    56,391.18x = 2,404,306,650.92
  5. Step 5: Solve for x
    x = 2,404,306,650.92/56,391.18
  6. Step 6: Final answer
    x = 42,636.22

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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.