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Finding the Fourth Proportional to 48,903.40, 73,355.10 and 22,659.40

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Solution

The fourth proportional to 48,903.40, 73,355.10 and 22,659.40 is: 33,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.40 : 73,355.10 = 22,659.40 : x
  2. Step 2: Convert to fraction form
    48,903.40/73,355.10 = 22,659.40/x
  3. Step 3: Cross multiply
    48,903.40x = 73,355.10 × 22,659.40
  4. Step 4: Simplify right side
    48,903.40x = 1,662,182,552.94
  5. Step 5: Solve for x
    x = 1,662,182,552.94/48,903.40
  6. Step 6: Final answer
    x = 33,989.10

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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.