Home / 37,728.77-56,557.91-12,751.31

Finding the Fourth Proportional to 37,728.77, 56,557.91 and 12,751.31

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Solution

The fourth proportional to 37,728.77, 56,557.91 and 12,751.31 is: 19,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,728.77 : 56,557.91 = 12,751.31 : x
  2. Step 2: Convert to fraction form
    37,728.77/56,557.91 = 12,751.31/x
  3. Step 3: Cross multiply
    37,728.77x = 56,557.91 × 12,751.31
  4. Step 4: Simplify right side
    37,728.77x = 721,187,616.64
  5. Step 5: Solve for x
    x = 721,187,616.64/37,728.77
  6. Step 6: Final answer
    x = 19,115.06

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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.