Home / 39,559.46-54,593.34-21,655.76

Finding the Fourth Proportional to 39,559.46, 54,593.34 and 21,655.76

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Solution

The fourth proportional to 39,559.46, 54,593.34 and 21,655.76 is: 29,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.46 : 54,593.34 = 21,655.76 : x
  2. Step 2: Convert to fraction form
    39,559.46/54,593.34 = 21,655.76/x
  3. Step 3: Cross multiply
    39,559.46x = 54,593.34 × 21,655.76
  4. Step 4: Simplify right side
    39,559.46x = 1,182,260,268.64
  5. Step 5: Solve for x
    x = 1,182,260,268.64/39,559.46
  6. Step 6: Final answer
    x = 29,885.65

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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.