Home / 40,821.18-56,323.38-23,815.72

Finding the Fourth Proportional to 40,821.18, 56,323.38 and 23,815.72

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Solution

The fourth proportional to 40,821.18, 56,323.38 and 23,815.72 is: 32,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.18 : 56,323.38 = 23,815.72 : x
  2. Step 2: Convert to fraction form
    40,821.18/56,323.38 = 23,815.72/x
  3. Step 3: Cross multiply
    40,821.18x = 56,323.38 × 23,815.72
  4. Step 4: Simplify right side
    40,821.18x = 1,341,381,806.30
  5. Step 5: Solve for x
    x = 1,341,381,806.30/40,821.18
  6. Step 6: Final answer
    x = 32,859.94

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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.