Home / 47,927.55-71,825.72-30,409.68

Finding the Fourth Proportional to 47,927.55, 71,825.72 and 30,409.68

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Solution

The fourth proportional to 47,927.55, 71,825.72 and 30,409.68 is: 45,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.55 : 71,825.72 = 30,409.68 : x
  2. Step 2: Convert to fraction form
    47,927.55/71,825.72 = 30,409.68/x
  3. Step 3: Cross multiply
    47,927.55x = 71,825.72 × 30,409.68
  4. Step 4: Simplify right side
    47,927.55x = 2,184,197,008.92
  5. Step 5: Solve for x
    x = 2,184,197,008.92/47,927.55
  6. Step 6: Final answer
    x = 45,572.89

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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.