Home / 53,399.39-80,103.69-13,956.48

Finding the Fourth Proportional to 53,399.39, 80,103.69 and 13,956.48

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Solution

The fourth proportional to 53,399.39, 80,103.69 and 13,956.48 is: 20,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.39 : 80,103.69 = 13,956.48 : x
  2. Step 2: Convert to fraction form
    53,399.39/80,103.69 = 13,956.48/x
  3. Step 3: Cross multiply
    53,399.39x = 80,103.69 × 13,956.48
  4. Step 4: Simplify right side
    53,399.39x = 1,117,965,547.41
  5. Step 5: Solve for x
    x = 1,117,965,547.41/53,399.39
  6. Step 6: Final answer
    x = 20,935.93

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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.