Home / 47,821.02-65,966.04-28,695.71

Finding the Fourth Proportional to 47,821.02, 65,966.04 and 28,695.71

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Solution

The fourth proportional to 47,821.02, 65,966.04 and 28,695.71 is: 39,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.02 : 65,966.04 = 28,695.71 : x
  2. Step 2: Convert to fraction form
    47,821.02/65,966.04 = 28,695.71/x
  3. Step 3: Cross multiply
    47,821.02x = 65,966.04 × 28,695.71
  4. Step 4: Simplify right side
    47,821.02x = 1,892,942,353.69
  5. Step 5: Solve for x
    x = 1,892,942,353.69/47,821.02
  6. Step 6: Final answer
    x = 39,583.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.