Home / 37,687.25-56,537.02-12,728.79

Finding the Fourth Proportional to 37,687.25, 56,537.02 and 12,728.79

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Solution

The fourth proportional to 37,687.25, 56,537.02 and 12,728.79 is: 19,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.25 : 56,537.02 = 12,728.79 : x
  2. Step 2: Convert to fraction form
    37,687.25/56,537.02 = 12,728.79/x
  3. Step 3: Cross multiply
    37,687.25x = 56,537.02 × 12,728.79
  4. Step 4: Simplify right side
    37,687.25x = 719,647,854.81
  5. Step 5: Solve for x
    x = 719,647,854.81/37,687.25
  6. Step 6: Final answer
    x = 19,095.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.