Home / 55,649.09-83,472.41-13,529.39

Finding the Fourth Proportional to 55,649.09, 83,472.41 and 13,529.39

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Solution

The fourth proportional to 55,649.09, 83,472.41 and 13,529.39 is: 20,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.09 : 83,472.41 = 13,529.39 : x
  2. Step 2: Convert to fraction form
    55,649.09/83,472.41 = 13,529.39/x
  3. Step 3: Cross multiply
    55,649.09x = 83,472.41 × 13,529.39
  4. Step 4: Simplify right side
    55,649.09x = 1,129,330,304.12
  5. Step 5: Solve for x
    x = 1,129,330,304.12/55,649.09
  6. Step 6: Final answer
    x = 20,293.78

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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.