Home / 45,389.40-62,649.36-31,964.64

Finding the Fourth Proportional to 45,389.40, 62,649.36 and 31,964.64

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Solution

The fourth proportional to 45,389.40, 62,649.36 and 31,964.64 is: 44,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.40 : 62,649.36 = 31,964.64 : x
  2. Step 2: Convert to fraction form
    45,389.40/62,649.36 = 31,964.64/x
  3. Step 3: Cross multiply
    45,389.40x = 62,649.36 × 31,964.64
  4. Step 4: Simplify right side
    45,389.40x = 2,002,564,238.63
  5. Step 5: Solve for x
    x = 2,002,564,238.63/45,389.40
  6. Step 6: Final answer
    x = 44,119.65

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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.