Home / 47,505.90-71,259.48-14,218.32

Finding the Fourth Proportional to 47,505.90, 71,259.48 and 14,218.32

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Solution

The fourth proportional to 47,505.90, 71,259.48 and 14,218.32 is: 21,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,505.90 : 71,259.48 = 14,218.32 : x
  2. Step 2: Convert to fraction form
    47,505.90/71,259.48 = 14,218.32/x
  3. Step 3: Cross multiply
    47,505.90x = 71,259.48 × 14,218.32
  4. Step 4: Simplify right side
    47,505.90x = 1,013,190,089.67
  5. Step 5: Solve for x
    x = 1,013,190,089.67/47,505.90
  6. Step 6: Final answer
    x = 21,327.67

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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.