Home / 31,270.06-46,909.89-10,488.70

Finding the Fourth Proportional to 31,270.06, 46,909.89 and 10,488.70

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Solution

The fourth proportional to 31,270.06, 46,909.89 and 10,488.70 is: 15,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.06 : 46,909.89 = 10,488.70 : x
  2. Step 2: Convert to fraction form
    31,270.06/46,909.89 = 10,488.70/x
  3. Step 3: Cross multiply
    31,270.06x = 46,909.89 × 10,488.70
  4. Step 4: Simplify right side
    31,270.06x = 492,023,763.24
  5. Step 5: Solve for x
    x = 492,023,763.24/31,270.06
  6. Step 6: Final answer
    x = 15,734.66

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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.