Home / 45,981.48-63,460.32-28,072.65

Finding the Fourth Proportional to 45,981.48, 63,460.32 and 28,072.65

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Solution

The fourth proportional to 45,981.48, 63,460.32 and 28,072.65 is: 38,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981.48 : 63,460.32 = 28,072.65 : x
  2. Step 2: Convert to fraction form
    45,981.48/63,460.32 = 28,072.65/x
  3. Step 3: Cross multiply
    45,981.48x = 63,460.32 × 28,072.65
  4. Step 4: Simplify right side
    45,981.48x = 1,781,499,352.25
  5. Step 5: Solve for x
    x = 1,781,499,352.25/45,981.48
  6. Step 6: Final answer
    x = 38,743.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.