Home / 31,621.66-47,418.58-16,827.06

Finding the Fourth Proportional to 31,621.66, 47,418.58 and 16,827.06

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Solution

The fourth proportional to 31,621.66, 47,418.58 and 16,827.06 is: 25,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.66 : 47,418.58 = 16,827.06 : x
  2. Step 2: Convert to fraction form
    31,621.66/47,418.58 = 16,827.06/x
  3. Step 3: Cross multiply
    31,621.66x = 47,418.58 × 16,827.06
  4. Step 4: Simplify right side
    31,621.66x = 797,915,248.71
  5. Step 5: Solve for x
    x = 797,915,248.71/31,621.66
  6. Step 6: Final answer
    x = 25,233.19

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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.