Home / 52,490.43-72,438.30-28,617.50

Finding the Fourth Proportional to 52,490.43, 72,438.30 and 28,617.50

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Solution

The fourth proportional to 52,490.43, 72,438.30 and 28,617.50 is: 39,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.43 : 72,438.30 = 28,617.50 : x
  2. Step 2: Convert to fraction form
    52,490.43/72,438.30 = 28,617.50/x
  3. Step 3: Cross multiply
    52,490.43x = 72,438.30 × 28,617.50
  4. Step 4: Simplify right side
    52,490.43x = 2,073,003,231.35
  5. Step 5: Solve for x
    x = 2,073,003,231.35/52,490.43
  6. Step 6: Final answer
    x = 39,492.97

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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.