Home / 48,935.20-73,430.45-20,852.30

Finding the Fourth Proportional to 48,935.20, 73,430.45 and 20,852.30

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Solution

The fourth proportional to 48,935.20, 73,430.45 and 20,852.30 is: 31,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,935.20 : 73,430.45 = 20,852.30 : x
  2. Step 2: Convert to fraction form
    48,935.20/73,430.45 = 20,852.30/x
  3. Step 3: Cross multiply
    48,935.20x = 73,430.45 × 20,852.30
  4. Step 4: Simplify right side
    48,935.20x = 1,531,193,772.54
  5. Step 5: Solve for x
    x = 1,531,193,772.54/48,935.20
  6. Step 6: Final answer
    x = 31,290.23

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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.