Home / 55,349.63-83,018.29-19,809.52

Finding the Fourth Proportional to 55,349.63, 83,018.29 and 19,809.52

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Solution

The fourth proportional to 55,349.63, 83,018.29 and 19,809.52 is: 29,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349.63 : 83,018.29 = 19,809.52 : x
  2. Step 2: Convert to fraction form
    55,349.63/83,018.29 = 19,809.52/x
  3. Step 3: Cross multiply
    55,349.63x = 83,018.29 × 19,809.52
  4. Step 4: Simplify right side
    55,349.63x = 1,644,552,476.12
  5. Step 5: Solve for x
    x = 1,644,552,476.12/55,349.63
  6. Step 6: Final answer
    x = 29,712.08

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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.