Home / 47,567.32-71,373.12-21,289.84

Finding the Fourth Proportional to 47,567.32, 71,373.12 and 21,289.84

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Solution

The fourth proportional to 47,567.32, 71,373.12 and 21,289.84 is: 31,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,567.32 : 71,373.12 = 21,289.84 : x
  2. Step 2: Convert to fraction form
    47,567.32/71,373.12 = 21,289.84/x
  3. Step 3: Cross multiply
    47,567.32x = 71,373.12 × 21,289.84
  4. Step 4: Simplify right side
    47,567.32x = 1,519,522,305.10
  5. Step 5: Solve for x
    x = 1,519,522,305.10/47,567.32
  6. Step 6: Final answer
    x = 31,944.67

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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.