Home / 48,305.40-72,458.10-34,308.60

Finding the Fourth Proportional to 48,305.40, 72,458.10 and 34,308.60

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Solution

The fourth proportional to 48,305.40, 72,458.10 and 34,308.60 is: 51,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.40 : 72,458.10 = 34,308.60 : x
  2. Step 2: Convert to fraction form
    48,305.40/72,458.10 = 34,308.60/x
  3. Step 3: Cross multiply
    48,305.40x = 72,458.10 × 34,308.60
  4. Step 4: Simplify right side
    48,305.40x = 2,485,935,969.66
  5. Step 5: Solve for x
    x = 2,485,935,969.66/48,305.40
  6. Step 6: Final answer
    x = 51,462.90

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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.