Home / 39,559.08-54,591.60-21,655.22

Finding the Fourth Proportional to 39,559.08, 54,591.60 and 21,655.22

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Solution

The fourth proportional to 39,559.08, 54,591.60 and 21,655.22 is: 29,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.08 : 54,591.60 = 21,655.22 : x
  2. Step 2: Convert to fraction form
    39,559.08/54,591.60 = 21,655.22/x
  3. Step 3: Cross multiply
    39,559.08x = 54,591.60 × 21,655.22
  4. Step 4: Simplify right side
    39,559.08x = 1,182,193,108.15
  5. Step 5: Solve for x
    x = 1,182,193,108.15/39,559.08
  6. Step 6: Final answer
    x = 29,884.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.