Home / 31,790.64-47,701.45-13,076.29

Finding the Fourth Proportional to 31,790.64, 47,701.45 and 13,076.29

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Solution

The fourth proportional to 31,790.64, 47,701.45 and 13,076.29 is: 19,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.64 : 47,701.45 = 13,076.29 : x
  2. Step 2: Convert to fraction form
    31,790.64/47,701.45 = 13,076.29/x
  3. Step 3: Cross multiply
    31,790.64x = 47,701.45 × 13,076.29
  4. Step 4: Simplify right side
    31,790.64x = 623,757,755.11
  5. Step 5: Solve for x
    x = 623,757,755.11/31,790.64
  6. Step 6: Final answer
    x = 19,620.80

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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.