Home / 45,905.13-63,364.88-28,937.96

Finding the Fourth Proportional to 45,905.13, 63,364.88 and 28,937.96

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Solution

The fourth proportional to 45,905.13, 63,364.88 and 28,937.96 is: 39,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.13 : 63,364.88 = 28,937.96 : x
  2. Step 2: Convert to fraction form
    45,905.13/63,364.88 = 28,937.96/x
  3. Step 3: Cross multiply
    45,905.13x = 63,364.88 × 28,937.96
  4. Step 4: Simplify right side
    45,905.13x = 1,833,650,355.98
  5. Step 5: Solve for x
    x = 1,833,650,355.98/45,905.13
  6. Step 6: Final answer
    x = 39,944.35

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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.