Home / 37,705.77-56,549.34-12,739.14

Finding the Fourth Proportional to 37,705.77, 56,549.34 and 12,739.14

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Solution

The fourth proportional to 37,705.77, 56,549.34 and 12,739.14 is: 19,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,705.77 : 56,549.34 = 12,739.14 : x
  2. Step 2: Convert to fraction form
    37,705.77/56,549.34 = 12,739.14/x
  3. Step 3: Cross multiply
    37,705.77x = 56,549.34 × 12,739.14
  4. Step 4: Simplify right side
    37,705.77x = 720,389,959.17
  5. Step 5: Solve for x
    x = 720,389,959.17/37,705.77
  6. Step 6: Final answer
    x = 19,105.56

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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.