Home / 45,048.48-62,186.64-34,438.56

Finding the Fourth Proportional to 45,048.48, 62,186.64 and 34,438.56

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Solution

The fourth proportional to 45,048.48, 62,186.64 and 34,438.56 is: 47,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,048.48 : 62,186.64 = 34,438.56 : x
  2. Step 2: Convert to fraction form
    45,048.48/62,186.64 = 34,438.56/x
  3. Step 3: Cross multiply
    45,048.48x = 62,186.64 × 34,438.56
  4. Step 4: Simplify right side
    45,048.48x = 2,141,618,332.84
  5. Step 5: Solve for x
    x = 2,141,618,332.84/45,048.48
  6. Step 6: Final answer
    x = 47,540.30

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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.