Home / 55,349.13-83,017.55-19,809.02

Finding the Fourth Proportional to 55,349.13, 83,017.55 and 19,809.02

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Solution

The fourth proportional to 55,349.13, 83,017.55 and 19,809.02 is: 29,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349.13 : 83,017.55 = 19,809.02 : x
  2. Step 2: Convert to fraction form
    55,349.13/83,017.55 = 19,809.02/x
  3. Step 3: Cross multiply
    55,349.13x = 83,017.55 × 19,809.02
  4. Step 4: Simplify right side
    55,349.13x = 1,644,495,794.17
  5. Step 5: Solve for x
    x = 1,644,495,794.17/55,349.13
  6. Step 6: Final answer
    x = 29,711.32

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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.