Home / 38,686.08-53,403.12-26,127.84

Finding the Fourth Proportional to 38,686.08, 53,403.12 and 26,127.84

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Solution

The fourth proportional to 38,686.08, 53,403.12 and 26,127.84 is: 36,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.08 : 53,403.12 = 26,127.84 : x
  2. Step 2: Convert to fraction form
    38,686.08/53,403.12 = 26,127.84/x
  3. Step 3: Cross multiply
    38,686.08x = 53,403.12 × 26,127.84
  4. Step 4: Simplify right side
    38,686.08x = 1,395,308,174.86
  5. Step 5: Solve for x
    x = 1,395,308,174.86/38,686.08
  6. Step 6: Final answer
    x = 36,067.45

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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.