Home / 51,341.09-77,018.92-15,805.37

Finding the Fourth Proportional to 51,341.09, 77,018.92 and 15,805.37

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Solution

The fourth proportional to 51,341.09, 77,018.92 and 15,805.37 is: 23,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.09 : 77,018.92 = 15,805.37 : x
  2. Step 2: Convert to fraction form
    51,341.09/77,018.92 = 15,805.37/x
  3. Step 3: Cross multiply
    51,341.09x = 77,018.92 × 15,805.37
  4. Step 4: Simplify right side
    51,341.09x = 1,217,312,182.02
  5. Step 5: Solve for x
    x = 1,217,312,182.02/51,341.09
  6. Step 6: Final answer
    x = 23,710.29

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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.