Home / 47,583.61-65,664.50-28,215.56

Finding the Fourth Proportional to 47,583.61, 65,664.50 and 28,215.56

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Solution

The fourth proportional to 47,583.61, 65,664.50 and 28,215.56 is: 38,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,583.61 : 65,664.50 = 28,215.56 : x
  2. Step 2: Convert to fraction form
    47,583.61/65,664.50 = 28,215.56/x
  3. Step 3: Cross multiply
    47,583.61x = 65,664.50 × 28,215.56
  4. Step 4: Simplify right side
    47,583.61x = 1,852,760,311.30
  5. Step 5: Solve for x
    x = 1,852,760,311.30/47,583.61
  6. Step 6: Final answer
    x = 38,936.95

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1.5x scale

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.