Home / 31,615.08-47,389.82-14,093.16

Finding the Fourth Proportional to 31,615.08, 47,389.82 and 14,093.16

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Solution

The fourth proportional to 31,615.08, 47,389.82 and 14,093.16 is: 21,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.08 : 47,389.82 = 14,093.16 : x
  2. Step 2: Convert to fraction form
    31,615.08/47,389.82 = 14,093.16/x
  3. Step 3: Cross multiply
    31,615.08x = 47,389.82 × 14,093.16
  4. Step 4: Simplify right side
    31,615.08x = 667,872,315.63
  5. Step 5: Solve for x
    x = 667,872,315.63/31,615.08
  6. Step 6: Final answer
    x = 21,125.12

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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.