Home / 52,490.58-72,437.43-28,617.43

Finding the Fourth Proportional to 52,490.58, 72,437.43 and 28,617.43

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Solution

The fourth proportional to 52,490.58, 72,437.43 and 28,617.43 is: 39,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.58 : 72,437.43 = 28,617.43 : x
  2. Step 2: Convert to fraction form
    52,490.58/72,437.43 = 28,617.43/x
  3. Step 3: Cross multiply
    52,490.58x = 72,437.43 × 28,617.43
  4. Step 4: Simplify right side
    52,490.58x = 2,072,972,739.50
  5. Step 5: Solve for x
    x = 2,072,972,739.50/52,490.58
  6. Step 6: Final answer
    x = 39,492.28

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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.