Home / 53,138.09-79,715.79-15,701.94

Finding the Fourth Proportional to 53,138.09, 79,715.79 and 15,701.94

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Solution

The fourth proportional to 53,138.09, 79,715.79 and 15,701.94 is: 23,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.09 : 79,715.79 = 15,701.94 : x
  2. Step 2: Convert to fraction form
    53,138.09/79,715.79 = 15,701.94/x
  3. Step 3: Cross multiply
    53,138.09x = 79,715.79 × 15,701.94
  4. Step 4: Simplify right side
    53,138.09x = 1,251,692,551.63
  5. Step 5: Solve for x
    x = 1,251,692,551.63/53,138.09
  6. Step 6: Final answer
    x = 23,555.47

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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.