Home / 37,777.36-56,696.12-21,134.30

Finding the Fourth Proportional to 37,777.36, 56,696.12 and 21,134.30

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Solution

The fourth proportional to 37,777.36, 56,696.12 and 21,134.30 is: 31,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.36 : 56,696.12 = 21,134.30 : x
  2. Step 2: Convert to fraction form
    37,777.36/56,696.12 = 21,134.30/x
  3. Step 3: Cross multiply
    37,777.36x = 56,696.12 × 21,134.30
  4. Step 4: Simplify right side
    37,777.36x = 1,198,232,808.92
  5. Step 5: Solve for x
    x = 1,198,232,808.92/37,777.36
  6. Step 6: Final answer
    x = 31,718.28

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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.