Home / 31,104.48-42,924.24-16,957.32

Finding the Fourth Proportional to 31,104.48, 42,924.24 and 16,957.32

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Solution

The fourth proportional to 31,104.48, 42,924.24 and 16,957.32 is: 23,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.48 : 42,924.24 = 16,957.32 : x
  2. Step 2: Convert to fraction form
    31,104.48/42,924.24 = 16,957.32/x
  3. Step 3: Cross multiply
    31,104.48x = 42,924.24 × 16,957.32
  4. Step 4: Simplify right side
    31,104.48x = 727,880,073.44
  5. Step 5: Solve for x
    x = 727,880,073.44/31,104.48
  6. Step 6: Final answer
    x = 23,401.13

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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.