Home / 31,376.29-47,032.84-13,843.03

Finding the Fourth Proportional to 31,376.29, 47,032.84 and 13,843.03

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Solution

The fourth proportional to 31,376.29, 47,032.84 and 13,843.03 is: 20,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.29 : 47,032.84 = 13,843.03 : x
  2. Step 2: Convert to fraction form
    31,376.29/47,032.84 = 13,843.03/x
  3. Step 3: Cross multiply
    31,376.29x = 47,032.84 × 13,843.03
  4. Step 4: Simplify right side
    31,376.29x = 651,076,897.52
  5. Step 5: Solve for x
    x = 651,076,897.52/31,376.29
  6. Step 6: Final answer
    x = 20,750.60

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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.