Home / 55,649.08-83,472.40-13,529.39

Finding the Fourth Proportional to 55,649.08, 83,472.40 and 13,529.39

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Solution

The fourth proportional to 55,649.08, 83,472.40 and 13,529.39 is: 20,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.08 : 83,472.40 = 13,529.39 : x
  2. Step 2: Convert to fraction form
    55,649.08/83,472.40 = 13,529.39/x
  3. Step 3: Cross multiply
    55,649.08x = 83,472.40 × 13,529.39
  4. Step 4: Simplify right side
    55,649.08x = 1,129,330,653.84
  5. Step 5: Solve for x
    x = 1,129,330,653.84/55,649.08
  6. Step 6: Final answer
    x = 20,293.79

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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.