Home / 39,655.22-54,741.59-27,765.18

Finding the Fourth Proportional to 39,655.22, 54,741.59 and 27,765.18

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Solution

The fourth proportional to 39,655.22, 54,741.59 and 27,765.18 is: 38,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.22 : 54,741.59 = 27,765.18 : x
  2. Step 2: Convert to fraction form
    39,655.22/54,741.59 = 27,765.18/x
  3. Step 3: Cross multiply
    39,655.22x = 54,741.59 × 27,765.18
  4. Step 4: Simplify right side
    39,655.22x = 1,519,910,099.84
  5. Step 5: Solve for x
    x = 1,519,910,099.84/39,655.22
  6. Step 6: Final answer
    x = 38,328.12

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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.