Home / 46,990.59-70,488.73-18,910.53

Finding the Fourth Proportional to 46,990.59, 70,488.73 and 18,910.53

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Solution

The fourth proportional to 46,990.59, 70,488.73 and 18,910.53 is: 28,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.59 : 70,488.73 = 18,910.53 : x
  2. Step 2: Convert to fraction form
    46,990.59/70,488.73 = 18,910.53/x
  3. Step 3: Cross multiply
    46,990.59x = 70,488.73 × 18,910.53
  4. Step 4: Simplify right side
    46,990.59x = 1,332,979,243.33
  5. Step 5: Solve for x
    x = 1,332,979,243.33/46,990.59
  6. Step 6: Final answer
    x = 28,366.94

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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.