Home / 48,929.20-73,393.80-30,471.60

Finding the Fourth Proportional to 48,929.20, 73,393.80 and 30,471.60

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Solution

The fourth proportional to 48,929.20, 73,393.80 and 30,471.60 is: 45,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.20 : 73,393.80 = 30,471.60 : x
  2. Step 2: Convert to fraction form
    48,929.20/73,393.80 = 30,471.60/x
  3. Step 3: Cross multiply
    48,929.20x = 73,393.80 × 30,471.60
  4. Step 4: Simplify right side
    48,929.20x = 2,236,426,516.08
  5. Step 5: Solve for x
    x = 2,236,426,516.08/48,929.20
  6. Step 6: Final answer
    x = 45,707.40

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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.