Home / 45,789.03-63,219.72-28,587.62

Finding the Fourth Proportional to 45,789.03, 63,219.72 and 28,587.62

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Solution

The fourth proportional to 45,789.03, 63,219.72 and 28,587.62 is: 39,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.03 : 63,219.72 = 28,587.62 : x
  2. Step 2: Convert to fraction form
    45,789.03/63,219.72 = 28,587.62/x
  3. Step 3: Cross multiply
    45,789.03x = 63,219.72 × 28,587.62
  4. Step 4: Simplify right side
    45,789.03x = 1,807,301,241.51
  5. Step 5: Solve for x
    x = 1,807,301,241.51/45,789.03
  6. Step 6: Final answer
    x = 39,470.18

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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.