Home / 47,657.72-71,487.09-14,378.07

Finding the Fourth Proportional to 47,657.72, 71,487.09 and 14,378.07

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Solution

The fourth proportional to 47,657.72, 71,487.09 and 14,378.07 is: 21,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.72 : 71,487.09 = 14,378.07 : x
  2. Step 2: Convert to fraction form
    47,657.72/71,487.09 = 14,378.07/x
  3. Step 3: Cross multiply
    47,657.72x = 71,487.09 × 14,378.07
  4. Step 4: Simplify right side
    47,657.72x = 1,027,846,384.12
  5. Step 5: Solve for x
    x = 1,027,846,384.12/47,657.72
  6. Step 6: Final answer
    x = 21,567.26

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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.