Home / 47,772.28-71,660.06-21,477.11

Finding the Fourth Proportional to 47,772.28, 71,660.06 and 21,477.11

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Solution

The fourth proportional to 47,772.28, 71,660.06 and 21,477.11 is: 32,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.28 : 71,660.06 = 21,477.11 : x
  2. Step 2: Convert to fraction form
    47,772.28/71,660.06 = 21,477.11/x
  3. Step 3: Cross multiply
    47,772.28x = 71,660.06 × 21,477.11
  4. Step 4: Simplify right side
    47,772.28x = 1,539,050,883.84
  5. Step 5: Solve for x
    x = 1,539,050,883.84/47,772.28
  6. Step 6: Final answer
    x = 32,216.40

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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.