Home / 31,566.02-47,351.54-10,505.30

Finding the Fourth Proportional to 31,566.02, 47,351.54 and 10,505.30

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Solution

The fourth proportional to 31,566.02, 47,351.54 and 10,505.30 is: 15,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.02 : 47,351.54 = 10,505.30 : x
  2. Step 2: Convert to fraction form
    31,566.02/47,351.54 = 10,505.30/x
  3. Step 3: Cross multiply
    31,566.02x = 47,351.54 × 10,505.30
  4. Step 4: Simplify right side
    31,566.02x = 497,441,922.67
  5. Step 5: Solve for x
    x = 497,441,922.67/31,566.02
  6. Step 6: Final answer
    x = 15,758.78

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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.