Home / 39,150.42-54,030.24-22,154.67

Finding the Fourth Proportional to 39,150.42, 54,030.24 and 22,154.67

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Solution

The fourth proportional to 39,150.42, 54,030.24 and 22,154.67 is: 30,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.42 : 54,030.24 = 22,154.67 : x
  2. Step 2: Convert to fraction form
    39,150.42/54,030.24 = 22,154.67/x
  3. Step 3: Cross multiply
    39,150.42x = 54,030.24 × 22,154.67
  4. Step 4: Simplify right side
    39,150.42x = 1,197,022,137.22
  5. Step 5: Solve for x
    x = 1,197,022,137.22/39,150.42
  6. Step 6: Final answer
    x = 30,574.95

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Half scale
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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.