Home / 55,619.08-83,391.55-28,899.41

Finding the Fourth Proportional to 55,619.08, 83,391.55 and 28,899.41

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Solution

The fourth proportional to 55,619.08, 83,391.55 and 28,899.41 is: 43,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.08 : 83,391.55 = 28,899.41 : x
  2. Step 2: Convert to fraction form
    55,619.08/83,391.55 = 28,899.41/x
  3. Step 3: Cross multiply
    55,619.08x = 83,391.55 × 28,899.41
  4. Step 4: Simplify right side
    55,619.08x = 2,409,966,104.78
  5. Step 5: Solve for x
    x = 2,409,966,104.78/55,619.08
  6. Step 6: Final answer
    x = 43,329.85

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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.