Home / 54,816.40-82,224.60-47,904.40

Finding the Fourth Proportional to 54,816.40, 82,224.60 and 47,904.40

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Solution

The fourth proportional to 54,816.40, 82,224.60 and 47,904.40 is: 71,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.40 : 82,224.60 = 47,904.40 : x
  2. Step 2: Convert to fraction form
    54,816.40/82,224.60 = 47,904.40/x
  3. Step 3: Cross multiply
    54,816.40x = 82,224.60 × 47,904.40
  4. Step 4: Simplify right side
    54,816.40x = 3,938,920,128.24
  5. Step 5: Solve for x
    x = 3,938,920,128.24/54,816.40
  6. Step 6: Final answer
    x = 71,856.60

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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.