Home / 30,090.24-41,494.08-20,005.76

Finding the Fourth Proportional to 30,090.24, 41,494.08 and 20,005.76

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Solution

The fourth proportional to 30,090.24, 41,494.08 and 20,005.76 is: 27,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.24 : 41,494.08 = 20,005.76 : x
  2. Step 2: Convert to fraction form
    30,090.24/41,494.08 = 20,005.76/x
  3. Step 3: Cross multiply
    30,090.24x = 41,494.08 × 20,005.76
  4. Step 4: Simplify right side
    30,090.24x = 830,120,605.90
  5. Step 5: Solve for x
    x = 830,120,605.90/30,090.24
  6. Step 6: Final answer
    x = 27,587.70

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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.