Home / 34,709.40-47,907.70-31,166.44

Finding the Fourth Proportional to 34,709.40, 47,907.70 and 31,166.44

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Solution

The fourth proportional to 34,709.40, 47,907.70 and 31,166.44 is: 43,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.40 : 47,907.70 = 31,166.44 : x
  2. Step 2: Convert to fraction form
    34,709.40/47,907.70 = 31,166.44/x
  3. Step 3: Cross multiply
    34,709.40x = 47,907.70 × 31,166.44
  4. Step 4: Simplify right side
    34,709.40x = 1,493,112,457.59
  5. Step 5: Solve for x
    x = 1,493,112,457.59/34,709.40
  6. Step 6: Final answer
    x = 43,017.52

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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.