Home / 47,557.02-65,629.13-28,690.50

Finding the Fourth Proportional to 47,557.02, 65,629.13 and 28,690.50

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Solution

The fourth proportional to 47,557.02, 65,629.13 and 28,690.50 is: 39,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557.02 : 65,629.13 = 28,690.50 : x
  2. Step 2: Convert to fraction form
    47,557.02/65,629.13 = 28,690.50/x
  3. Step 3: Cross multiply
    47,557.02x = 65,629.13 × 28,690.50
  4. Step 4: Simplify right side
    47,557.02x = 1,882,932,554.27
  5. Step 5: Solve for x
    x = 1,882,932,554.27/47,557.02
  6. Step 6: Final answer
    x = 39,593.16

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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.