Home / 47,384.48-71,038.32-19,703.20

Finding the Fourth Proportional to 47,384.48, 71,038.32 and 19,703.20

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Solution

The fourth proportional to 47,384.48, 71,038.32 and 19,703.20 is: 29,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,384.48 : 71,038.32 = 19,703.20 : x
  2. Step 2: Convert to fraction form
    47,384.48/71,038.32 = 19,703.20/x
  3. Step 3: Cross multiply
    47,384.48x = 71,038.32 × 19,703.20
  4. Step 4: Simplify right side
    47,384.48x = 1,399,682,226.62
  5. Step 5: Solve for x
    x = 1,399,682,226.62/47,384.48
  6. Step 6: Final answer
    x = 29,538.83

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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.