Home / 51,857.98-71,572.75-30,051

Finding the Fourth Proportional to 51,857.98, 71,572.75 and 30,051

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Solution

The fourth proportional to 51,857.98, 71,572.75 and 30,051 is: 41,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,857.98 : 71,572.75 = 30,051 : x
  2. Step 2: Convert to fraction form
    51,857.98/71,572.75 = 30,051/x
  3. Step 3: Cross multiply
    51,857.98x = 71,572.75 × 30,051
  4. Step 4: Simplify right side
    51,857.98x = 2,150,832,635.12
  5. Step 5: Solve for x
    x = 2,150,832,635.12/51,857.98
  6. Step 6: Final answer
    x = 41,475.44

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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.