Home / 45,985.75-63,466.20-28,076.96

Finding the Fourth Proportional to 45,985.75, 63,466.20 and 28,076.96

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Solution

The fourth proportional to 45,985.75, 63,466.20 and 28,076.96 is: 38,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.75 : 63,466.20 = 28,076.96 : x
  2. Step 2: Convert to fraction form
    45,985.75/63,466.20 = 28,076.96/x
  3. Step 3: Cross multiply
    45,985.75x = 63,466.20 × 28,076.96
  4. Step 4: Simplify right side
    45,985.75x = 1,781,938,117.42
  5. Step 5: Solve for x
    x = 1,781,938,117.42/45,985.75
  6. Step 6: Final answer
    x = 38,749.79

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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.