Home / 34,550.47-51,822.72-21,038.15

Finding the Fourth Proportional to 34,550.47, 51,822.72 and 21,038.15

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Solution

The fourth proportional to 34,550.47, 51,822.72 and 21,038.15 is: 31,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,550.47 : 51,822.72 = 21,038.15 : x
  2. Step 2: Convert to fraction form
    34,550.47/51,822.72 = 21,038.15/x
  3. Step 3: Cross multiply
    34,550.47x = 51,822.72 × 21,038.15
  4. Step 4: Simplify right side
    34,550.47x = 1,090,254,286.32
  5. Step 5: Solve for x
    x = 1,090,254,286.32/34,550.47
  6. Step 6: Final answer
    x = 31,555.41

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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.