Home / 47,499.87-65,539.02-28,376.61

Finding the Fourth Proportional to 47,499.87, 65,539.02 and 28,376.61

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Solution

The fourth proportional to 47,499.87, 65,539.02 and 28,376.61 is: 39,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,499.87 : 65,539.02 = 28,376.61 : x
  2. Step 2: Convert to fraction form
    47,499.87/65,539.02 = 28,376.61/x
  3. Step 3: Cross multiply
    47,499.87x = 65,539.02 × 28,376.61
  4. Step 4: Simplify right side
    47,499.87x = 1,859,775,210.32
  5. Step 5: Solve for x
    x = 1,859,775,210.32/47,499.87
  6. Step 6: Final answer
    x = 39,153.27

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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.