Home / 31,063.19-42,867.26-16,916.09

Finding the Fourth Proportional to 31,063.19, 42,867.26 and 16,916.09

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Solution

The fourth proportional to 31,063.19, 42,867.26 and 16,916.09 is: 23,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,063.19 : 42,867.26 = 16,916.09 : x
  2. Step 2: Convert to fraction form
    31,063.19/42,867.26 = 16,916.09/x
  3. Step 3: Cross multiply
    31,063.19x = 42,867.26 × 16,916.09
  4. Step 4: Simplify right side
    31,063.19x = 725,146,129.30
  5. Step 5: Solve for x
    x = 725,146,129.30/31,063.19
  6. Step 6: Final answer
    x = 23,344.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.