Home / 40,280.76-55,621.08-33,601.40

Finding the Fourth Proportional to 40,280.76, 55,621.08 and 33,601.40

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Solution

The fourth proportional to 40,280.76, 55,621.08 and 33,601.40 is: 46,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.76 : 55,621.08 = 33,601.40 : x
  2. Step 2: Convert to fraction form
    40,280.76/55,621.08 = 33,601.40/x
  3. Step 3: Cross multiply
    40,280.76x = 55,621.08 × 33,601.40
  4. Step 4: Simplify right side
    40,280.76x = 1,868,945,879.41
  5. Step 5: Solve for x
    x = 1,868,945,879.41/40,280.76
  6. Step 6: Final answer
    x = 46,397.98

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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.