Home / 55,979.10-83,968.65-19,043.10

Finding the Fourth Proportional to 55,979.10, 83,968.65 and 19,043.10

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Solution

The fourth proportional to 55,979.10, 83,968.65 and 19,043.10 is: 28,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.10 : 83,968.65 = 19,043.10 : x
  2. Step 2: Convert to fraction form
    55,979.10/83,968.65 = 19,043.10/x
  3. Step 3: Cross multiply
    55,979.10x = 83,968.65 × 19,043.10
  4. Step 4: Simplify right side
    55,979.10x = 1,599,023,398.82
  5. Step 5: Solve for x
    x = 1,599,023,398.82/55,979.10
  6. Step 6: Final answer
    x = 28,564.65

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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.