Home / 51,823.19-77,726.48-18,537.05

Finding the Fourth Proportional to 51,823.19, 77,726.48 and 18,537.05

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Solution

The fourth proportional to 51,823.19, 77,726.48 and 18,537.05 is: 27,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.19 : 77,726.48 = 18,537.05 : x
  2. Step 2: Convert to fraction form
    51,823.19/77,726.48 = 18,537.05/x
  3. Step 3: Cross multiply
    51,823.19x = 77,726.48 × 18,537.05
  4. Step 4: Simplify right side
    51,823.19x = 1,440,819,553.40
  5. Step 5: Solve for x
    x = 1,440,819,553.40/51,823.19
  6. Step 6: Final answer
    x = 27,802.60

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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.