Home / 40,466.92-55,870.50-28,345.66

Finding the Fourth Proportional to 40,466.92, 55,870.50 and 28,345.66

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Solution

The fourth proportional to 40,466.92, 55,870.50 and 28,345.66 is: 39,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466.92 : 55,870.50 = 28,345.66 : x
  2. Step 2: Convert to fraction form
    40,466.92/55,870.50 = 28,345.66/x
  3. Step 3: Cross multiply
    40,466.92x = 55,870.50 × 28,345.66
  4. Step 4: Simplify right side
    40,466.92x = 1,583,686,197.03
  5. Step 5: Solve for x
    x = 1,583,686,197.03/40,466.92
  6. Step 6: Final answer
    x = 39,135.33

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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.