Home / 51,710.58-71,368.30-31,579.14

Finding the Fourth Proportional to 51,710.58, 71,368.30 and 31,579.14

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Solution

The fourth proportional to 51,710.58, 71,368.30 and 31,579.14 is: 43,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.58 : 71,368.30 = 31,579.14 : x
  2. Step 2: Convert to fraction form
    51,710.58/71,368.30 = 31,579.14/x
  3. Step 3: Cross multiply
    51,710.58x = 71,368.30 × 31,579.14
  4. Step 4: Simplify right side
    51,710.58x = 2,253,749,537.26
  5. Step 5: Solve for x
    x = 2,253,749,537.26/51,710.58
  6. Step 6: Final answer
    x = 43,583.92

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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.