Home / 48,839.20-73,258.80-11,903.20

Finding the Fourth Proportional to 48,839.20, 73,258.80 and 11,903.20

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Solution

The fourth proportional to 48,839.20, 73,258.80 and 11,903.20 is: 17,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.20 : 73,258.80 = 11,903.20 : x
  2. Step 2: Convert to fraction form
    48,839.20/73,258.80 = 11,903.20/x
  3. Step 3: Cross multiply
    48,839.20x = 73,258.80 × 11,903.20
  4. Step 4: Simplify right side
    48,839.20x = 872,014,148.16
  5. Step 5: Solve for x
    x = 872,014,148.16/48,839.20
  6. Step 6: Final answer
    x = 17,854.80

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1.5x scale

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.