Home / 48,931.20-73,402.20-15,645.60

Finding the Fourth Proportional to 48,931.20, 73,402.20 and 15,645.60

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Solution

The fourth proportional to 48,931.20, 73,402.20 and 15,645.60 is: 23,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.20 : 73,402.20 = 15,645.60 : x
  2. Step 2: Convert to fraction form
    48,931.20/73,402.20 = 15,645.60/x
  3. Step 3: Cross multiply
    48,931.20x = 73,402.20 × 15,645.60
  4. Step 4: Simplify right side
    48,931.20x = 1,148,421,460.32
  5. Step 5: Solve for x
    x = 1,148,421,460.32/48,931.20
  6. Step 6: Final answer
    x = 23,470.13

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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.