Home / 73,860.32-110,780.76-20,555.84

Finding the Fourth Proportional to 73,860.32, 110,780.76 and 20,555.84

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Solution

The fourth proportional to 73,860.32, 110,780.76 and 20,555.84 is: 30,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.32 : 110,780.76 = 20,555.84 : x
  2. Step 2: Convert to fraction form
    73,860.32/110,780.76 = 20,555.84/x
  3. Step 3: Cross multiply
    73,860.32x = 110,780.76 × 20,555.84
  4. Step 4: Simplify right side
    73,860.32x = 2,277,191,577.64
  5. Step 5: Solve for x
    x = 2,277,191,577.64/73,860.32
  6. Step 6: Final answer
    x = 30,831.05

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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.