Home / 47,569.21-71,353.98-15,978.36

Finding the Fourth Proportional to 47,569.21, 71,353.98 and 15,978.36

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Solution

The fourth proportional to 47,569.21, 71,353.98 and 15,978.36 is: 23,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,569.21 : 71,353.98 = 15,978.36 : x
  2. Step 2: Convert to fraction form
    47,569.21/71,353.98 = 15,978.36/x
  3. Step 3: Cross multiply
    47,569.21x = 71,353.98 × 15,978.36
  4. Step 4: Simplify right side
    47,569.21x = 1,140,119,847.45
  5. Step 5: Solve for x
    x = 1,140,119,847.45/47,569.21
  6. Step 6: Final answer
    x = 23,967.60

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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.