Home / 30,170.48-41,654.16-19,434.02

Finding the Fourth Proportional to 30,170.48, 41,654.16 and 19,434.02

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Solution

The fourth proportional to 30,170.48, 41,654.16 and 19,434.02 is: 26,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.48 : 41,654.16 = 19,434.02 : x
  2. Step 2: Convert to fraction form
    30,170.48/41,654.16 = 19,434.02/x
  3. Step 3: Cross multiply
    30,170.48x = 41,654.16 × 19,434.02
  4. Step 4: Simplify right side
    30,170.48x = 809,507,778.52
  5. Step 5: Solve for x
    x = 809,507,778.52/30,170.48
  6. Step 6: Final answer
    x = 26,831.12

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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.