Home / 48,935.40-73,403.10-28,141.80

Finding the Fourth Proportional to 48,935.40, 73,403.10 and 28,141.80

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Solution

The fourth proportional to 48,935.40, 73,403.10 and 28,141.80 is: 42,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,935.40 : 73,403.10 = 28,141.80 : x
  2. Step 2: Convert to fraction form
    48,935.40/73,403.10 = 28,141.80/x
  3. Step 3: Cross multiply
    48,935.40x = 73,403.10 × 28,141.80
  4. Step 4: Simplify right side
    48,935.40x = 2,065,695,359.58
  5. Step 5: Solve for x
    x = 2,065,695,359.58/48,935.40
  6. Step 6: Final answer
    x = 42,212.70

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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.