Home / 31,788.02-47,697.51-13,073.66

Finding the Fourth Proportional to 31,788.02, 47,697.51 and 13,073.66

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Solution

The fourth proportional to 31,788.02, 47,697.51 and 13,073.66 is: 19,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.02 : 47,697.51 = 13,073.66 : x
  2. Step 2: Convert to fraction form
    31,788.02/47,697.51 = 13,073.66/x
  3. Step 3: Cross multiply
    31,788.02x = 47,697.51 × 13,073.66
  4. Step 4: Simplify right side
    31,788.02x = 623,581,028.59
  5. Step 5: Solve for x
    x = 623,581,028.59/31,788.02
  6. Step 6: Final answer
    x = 19,616.86

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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.