Home / 31,537.32-47,305.97-12,827.53

Finding the Fourth Proportional to 31,537.32, 47,305.97 and 12,827.53

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Solution

The fourth proportional to 31,537.32, 47,305.97 and 12,827.53 is: 19,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.32 : 47,305.97 = 12,827.53 : x
  2. Step 2: Convert to fraction form
    31,537.32/47,305.97 = 12,827.53/x
  3. Step 3: Cross multiply
    31,537.32x = 47,305.97 × 12,827.53
  4. Step 4: Simplify right side
    31,537.32x = 606,818,749.35
  5. Step 5: Solve for x
    x = 606,818,749.35/31,537.32
  6. Step 6: Final answer
    x = 19,241.29

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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.