Home / 40,210.64-60,295.36-21,245.45

Finding the Fourth Proportional to 40,210.64, 60,295.36 and 21,245.45

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Solution

The fourth proportional to 40,210.64, 60,295.36 and 21,245.45 is: 31,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.64 : 60,295.36 = 21,245.45 : x
  2. Step 2: Convert to fraction form
    40,210.64/60,295.36 = 21,245.45/x
  3. Step 3: Cross multiply
    40,210.64x = 60,295.36 × 21,245.45
  4. Step 4: Simplify right side
    40,210.64x = 1,281,002,135.43
  5. Step 5: Solve for x
    x = 1,281,002,135.43/40,210.64
  6. Step 6: Final answer
    x = 31,857.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.