Home / 37,831.72-56,790.64-19,132.87

Finding the Fourth Proportional to 37,831.72, 56,790.64 and 19,132.87

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Solution

The fourth proportional to 37,831.72, 56,790.64 and 19,132.87 is: 28,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.72 : 56,790.64 = 19,132.87 : x
  2. Step 2: Convert to fraction form
    37,831.72/56,790.64 = 19,132.87/x
  3. Step 3: Cross multiply
    37,831.72x = 56,790.64 × 19,132.87
  4. Step 4: Simplify right side
    37,831.72x = 1,086,567,932.34
  5. Step 5: Solve for x
    x = 1,086,567,932.34/37,831.72
  6. Step 6: Final answer
    x = 28,721.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.