Home / 53,043.17-79,515.54-17,958.29

Finding the Fourth Proportional to 53,043.17, 79,515.54 and 17,958.29

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Solution

The fourth proportional to 53,043.17, 79,515.54 and 17,958.29 is: 26,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.17 : 79,515.54 = 17,958.29 : x
  2. Step 2: Convert to fraction form
    53,043.17/79,515.54 = 17,958.29/x
  3. Step 3: Cross multiply
    53,043.17x = 79,515.54 × 17,958.29
  4. Step 4: Simplify right side
    53,043.17x = 1,427,962,729.25
  5. Step 5: Solve for x
    x = 1,427,962,729.25/53,043.17
  6. Step 6: Final answer
    x = 26,920.77

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1.5x scale

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.