Home / 40,280.04-55,588.12-22,375.18

Finding the Fourth Proportional to 40,280.04, 55,588.12 and 22,375.18

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Solution

The fourth proportional to 40,280.04, 55,588.12 and 22,375.18 is: 30,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.04 : 55,588.12 = 22,375.18 : x
  2. Step 2: Convert to fraction form
    40,280.04/55,588.12 = 22,375.18/x
  3. Step 3: Cross multiply
    40,280.04x = 55,588.12 × 22,375.18
  4. Step 4: Simplify right side
    40,280.04x = 1,243,794,190.86
  5. Step 5: Solve for x
    x = 1,243,794,190.86/40,280.04
  6. Step 6: Final answer
    x = 30,878.67

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Double scale
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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.