Home / 36,890.49-55,322.13-13,191.63

Finding the Fourth Proportional to 36,890.49, 55,322.13 and 13,191.63

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Solution

The fourth proportional to 36,890.49, 55,322.13 and 13,191.63 is: 19,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.49 : 55,322.13 = 13,191.63 : x
  2. Step 2: Convert to fraction form
    36,890.49/55,322.13 = 13,191.63/x
  3. Step 3: Cross multiply
    36,890.49x = 55,322.13 × 13,191.63
  4. Step 4: Simplify right side
    36,890.49x = 729,789,069.77
  5. Step 5: Solve for x
    x = 729,789,069.77/36,890.49
  6. Step 6: Final answer
    x = 19,782.58

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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.