Home / 40,821.75-56,330.16-22,913.26

Finding the Fourth Proportional to 40,821.75, 56,330.16 and 22,913.26

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Solution

The fourth proportional to 40,821.75, 56,330.16 and 22,913.26 is: 31,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.75 : 56,330.16 = 22,913.26 : x
  2. Step 2: Convert to fraction form
    40,821.75/56,330.16 = 22,913.26/x
  3. Step 3: Cross multiply
    40,821.75x = 56,330.16 × 22,913.26
  4. Step 4: Simplify right side
    40,821.75x = 1,290,707,601.92
  5. Step 5: Solve for x
    x = 1,290,707,601.92/40,821.75
  6. Step 6: Final answer
    x = 31,618.13

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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.