Home / 37,758.96-56,675.52-21,131.28

Finding the Fourth Proportional to 37,758.96, 56,675.52 and 21,131.28

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Solution

The fourth proportional to 37,758.96, 56,675.52 and 21,131.28 is: 31,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,758.96 : 56,675.52 = 21,131.28 : x
  2. Step 2: Convert to fraction form
    37,758.96/56,675.52 = 21,131.28/x
  3. Step 3: Cross multiply
    37,758.96x = 56,675.52 × 21,131.28
  4. Step 4: Simplify right side
    37,758.96x = 1,197,626,282.27
  5. Step 5: Solve for x
    x = 1,197,626,282.27/37,758.96
  6. Step 6: Final answer
    x = 31,717.67

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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.