Home / 30,565.86-45,831.51-18,087.54

Finding the Fourth Proportional to 30,565.86, 45,831.51 and 18,087.54

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Solution

The fourth proportional to 30,565.86, 45,831.51 and 18,087.54 is: 27,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.86 : 45,831.51 = 18,087.54 : x
  2. Step 2: Convert to fraction form
    30,565.86/45,831.51 = 18,087.54/x
  3. Step 3: Cross multiply
    30,565.86x = 45,831.51 × 18,087.54
  4. Step 4: Simplify right side
    30,565.86x = 828,979,270.39
  5. Step 5: Solve for x
    x = 828,979,270.39/30,565.86
  6. Step 6: Final answer
    x = 27,121.08

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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.