Home / 54,980.40-82,470.60-48,638.10

Finding the Fourth Proportional to 54,980.40, 82,470.60 and 48,638.10

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Solution

The fourth proportional to 54,980.40, 82,470.60 and 48,638.10 is: 72,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.40 : 82,470.60 = 48,638.10 : x
  2. Step 2: Convert to fraction form
    54,980.40/82,470.60 = 48,638.10/x
  3. Step 3: Cross multiply
    54,980.40x = 82,470.60 × 48,638.10
  4. Step 4: Simplify right side
    54,980.40x = 4,011,213,289.86
  5. Step 5: Solve for x
    x = 4,011,213,289.86/54,980.40
  6. Step 6: Final answer
    x = 72,957.15

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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.