Home / 52,460.37-78,661.38-21,259.17

Finding the Fourth Proportional to 52,460.37, 78,661.38 and 21,259.17

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Solution

The fourth proportional to 52,460.37, 78,661.38 and 21,259.17 is: 31,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,460.37 : 78,661.38 = 21,259.17 : x
  2. Step 2: Convert to fraction form
    52,460.37/78,661.38 = 21,259.17/x
  3. Step 3: Cross multiply
    52,460.37x = 78,661.38 × 21,259.17
  4. Step 4: Simplify right side
    52,460.37x = 1,672,275,649.85
  5. Step 5: Solve for x
    x = 1,672,275,649.85/52,460.37
  6. Step 6: Final answer
    x = 31,876.93

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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.