Home / 52,783.20-72,841.99-30,121.74

Finding the Fourth Proportional to 52,783.20, 72,841.99 and 30,121.74

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Solution

The fourth proportional to 52,783.20, 72,841.99 and 30,121.74 is: 41,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.20 : 72,841.99 = 30,121.74 : x
  2. Step 2: Convert to fraction form
    52,783.20/72,841.99 = 30,121.74/x
  3. Step 3: Cross multiply
    52,783.20x = 72,841.99 × 30,121.74
  4. Step 4: Simplify right side
    52,783.20x = 2,194,127,483.86
  5. Step 5: Solve for x
    x = 2,194,127,483.86/52,783.20
  6. Step 6: Final answer
    x = 41,568.67

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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.