Home / 47,606.81-71,420.22-18,023.99

Finding the Fourth Proportional to 47,606.81, 71,420.22 and 18,023.99

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Solution

The fourth proportional to 47,606.81, 71,420.22 and 18,023.99 is: 27,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,606.81 : 71,420.22 = 18,023.99 : x
  2. Step 2: Convert to fraction form
    47,606.81/71,420.22 = 18,023.99/x
  3. Step 3: Cross multiply
    47,606.81x = 71,420.22 × 18,023.99
  4. Step 4: Simplify right side
    47,606.81x = 1,287,276,973.98
  5. Step 5: Solve for x
    x = 1,287,276,973.98/47,606.81
  6. Step 6: Final answer
    x = 27,039.77

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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.