Home / 39,331.37-58,887.16-21,254.87

Finding the Fourth Proportional to 39,331.37, 58,887.16 and 21,254.87

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Solution

The fourth proportional to 39,331.37, 58,887.16 and 21,254.87 is: 31,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.37 : 58,887.16 = 21,254.87 : x
  2. Step 2: Convert to fraction form
    39,331.37/58,887.16 = 21,254.87/x
  3. Step 3: Cross multiply
    39,331.37x = 58,887.16 × 21,254.87
  4. Step 4: Simplify right side
    39,331.37x = 1,251,638,930.47
  5. Step 5: Solve for x
    x = 1,251,638,930.47/39,331.37
  6. Step 6: Final answer
    x = 31,822.92

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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.