Home / 35,942.64-53,919.25-10,979.40

Finding the Fourth Proportional to 35,942.64, 53,919.25 and 10,979.40

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Solution

The fourth proportional to 35,942.64, 53,919.25 and 10,979.40 is: 16,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.64 : 53,919.25 = 10,979.40 : x
  2. Step 2: Convert to fraction form
    35,942.64/53,919.25 = 10,979.40/x
  3. Step 3: Cross multiply
    35,942.64x = 53,919.25 × 10,979.40
  4. Step 4: Simplify right side
    35,942.64x = 592,001,013.45
  5. Step 5: Solve for x
    x = 592,001,013.45/35,942.64
  6. Step 6: Final answer
    x = 16,470.72

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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.