Home / 35,979.30-53,944.65-18,434.70

Finding the Fourth Proportional to 35,979.30, 53,944.65 and 18,434.70

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Solution

The fourth proportional to 35,979.30, 53,944.65 and 18,434.70 is: 27,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.30 : 53,944.65 = 18,434.70 : x
  2. Step 2: Convert to fraction form
    35,979.30/53,944.65 = 18,434.70/x
  3. Step 3: Cross multiply
    35,979.30x = 53,944.65 × 18,434.70
  4. Step 4: Simplify right side
    35,979.30x = 994,453,439.36
  5. Step 5: Solve for x
    x = 994,453,439.36/35,979.30
  6. Step 6: Final answer
    x = 27,639.60

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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.