Home / 45,480.48-62,802.72-28,513.84

Finding the Fourth Proportional to 45,480.48, 62,802.72 and 28,513.84

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Solution

The fourth proportional to 45,480.48, 62,802.72 and 28,513.84 is: 39,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.48 : 62,802.72 = 28,513.84 : x
  2. Step 2: Convert to fraction form
    45,480.48/62,802.72 = 28,513.84/x
  3. Step 3: Cross multiply
    45,480.48x = 62,802.72 × 28,513.84
  4. Step 4: Simplify right side
    45,480.48x = 1,790,746,709.64
  5. Step 5: Solve for x
    x = 1,790,746,709.64/45,480.48
  6. Step 6: Final answer
    x = 39,373.96

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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.