Home / 51,572.72-71,171.52-28,911.44

Finding the Fourth Proportional to 51,572.72, 71,171.52 and 28,911.44

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Solution

The fourth proportional to 51,572.72, 71,171.52 and 28,911.44 is: 39,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.72 : 71,171.52 = 28,911.44 : x
  2. Step 2: Convert to fraction form
    51,572.72/71,171.52 = 28,911.44/x
  3. Step 3: Cross multiply
    51,572.72x = 71,171.52 × 28,911.44
  4. Step 4: Simplify right side
    51,572.72x = 2,057,671,130.19
  5. Step 5: Solve for x
    x = 2,057,671,130.19/51,572.72
  6. Step 6: Final answer
    x = 39,898.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.