Home / 40,358.62-55,695.64-22,455.30

Finding the Fourth Proportional to 40,358.62, 55,695.64 and 22,455.30

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Solution

The fourth proportional to 40,358.62, 55,695.64 and 22,455.30 is: 30,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.62 : 55,695.64 = 22,455.30 : x
  2. Step 2: Convert to fraction form
    40,358.62/55,695.64 = 22,455.30/x
  3. Step 3: Cross multiply
    40,358.62x = 55,695.64 × 22,455.30
  4. Step 4: Simplify right side
    40,358.62x = 1,250,662,026.41
  5. Step 5: Solve for x
    x = 1,250,662,026.41/40,358.62
  6. Step 6: Final answer
    x = 30,988.72

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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.