Home / 23,663.80-35,322.47-20,861.44

Finding the Fourth Proportional to 23,663.80, 35,322.47 and 20,861.44

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Solution

The fourth proportional to 23,663.80, 35,322.47 and 20,861.44 is: 31,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.80 : 35,322.47 = 20,861.44 : x
  2. Step 2: Convert to fraction form
    23,663.80/35,322.47 = 20,861.44/x
  3. Step 3: Cross multiply
    23,663.80x = 35,322.47 × 20,861.44
  4. Step 4: Simplify right side
    23,663.80x = 736,877,588.56
  5. Step 5: Solve for x
    x = 736,877,588.56/23,663.80
  6. Step 6: Final answer
    x = 31,139.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.