Home / 51,243.40-70,726.26-30,040.84

Finding the Fourth Proportional to 51,243.40, 70,726.26 and 30,040.84

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Solution

The fourth proportional to 51,243.40, 70,726.26 and 30,040.84 is: 41,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.40 : 70,726.26 = 30,040.84 : x
  2. Step 2: Convert to fraction form
    51,243.40/70,726.26 = 30,040.84/x
  3. Step 3: Cross multiply
    51,243.40x = 70,726.26 × 30,040.84
  4. Step 4: Simplify right side
    51,243.40x = 2,124,676,260.46
  5. Step 5: Solve for x
    x = 2,124,676,260.46/51,243.40
  6. Step 6: Final answer
    x = 41,462.44

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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.