Home / 40,130.34-55,380.36-22,225.65

Finding the Fourth Proportional to 40,130.34, 55,380.36 and 22,225.65

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Solution

The fourth proportional to 40,130.34, 55,380.36 and 22,225.65 is: 30,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.34 : 55,380.36 = 22,225.65 : x
  2. Step 2: Convert to fraction form
    40,130.34/55,380.36 = 22,225.65/x
  3. Step 3: Cross multiply
    40,130.34x = 55,380.36 × 22,225.65
  4. Step 4: Simplify right side
    40,130.34x = 1,230,864,498.23
  5. Step 5: Solve for x
    x = 1,230,864,498.23/40,130.34
  6. Step 6: Final answer
    x = 30,671.67

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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.