Home / 47,816.10-71,661.53-19,703.43

Finding the Fourth Proportional to 47,816.10, 71,661.53 and 19,703.43

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Solution

The fourth proportional to 47,816.10, 71,661.53 and 19,703.43 is: 29,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,816.10 : 71,661.53 = 19,703.43 : x
  2. Step 2: Convert to fraction form
    47,816.10/71,661.53 = 19,703.43/x
  3. Step 3: Cross multiply
    47,816.10x = 71,661.53 × 19,703.43
  4. Step 4: Simplify right side
    47,816.10x = 1,411,977,841.53
  5. Step 5: Solve for x
    x = 1,411,977,841.53/47,816.10
  6. Step 6: Final answer
    x = 29,529.34

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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.