Home / 52,403.87-72,319.91-30,894.32

Finding the Fourth Proportional to 52,403.87, 72,319.91 and 30,894.32

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Solution

The fourth proportional to 52,403.87, 72,319.91 and 30,894.32 is: 42,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.87 : 72,319.91 = 30,894.32 : x
  2. Step 2: Convert to fraction form
    52,403.87/72,319.91 = 30,894.32/x
  3. Step 3: Cross multiply
    52,403.87x = 72,319.91 × 30,894.32
  4. Step 4: Simplify right side
    52,403.87x = 2,234,274,468.24
  5. Step 5: Solve for x
    x = 2,234,274,468.24/52,403.87
  6. Step 6: Final answer
    x = 42,635.67

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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.