Home / 35,291.55-48,703.11-20,185.59

Finding the Fourth Proportional to 35,291.55, 48,703.11 and 20,185.59

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Solution

The fourth proportional to 35,291.55, 48,703.11 and 20,185.59 is: 27,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.55 : 48,703.11 = 20,185.59 : x
  2. Step 2: Convert to fraction form
    35,291.55/48,703.11 = 20,185.59/x
  3. Step 3: Cross multiply
    35,291.55x = 48,703.11 × 20,185.59
  4. Step 4: Simplify right side
    35,291.55x = 983,101,010.18
  5. Step 5: Solve for x
    x = 983,101,010.18/35,291.55
  6. Step 6: Final answer
    x = 27,856.56

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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.