Home / 31,192.81-46,775.38-19,346.10

Finding the Fourth Proportional to 31,192.81, 46,775.38 and 19,346.10

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Solution

The fourth proportional to 31,192.81, 46,775.38 and 19,346.10 is: 29,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.81 : 46,775.38 = 19,346.10 : x
  2. Step 2: Convert to fraction form
    31,192.81/46,775.38 = 19,346.10/x
  3. Step 3: Cross multiply
    31,192.81x = 46,775.38 × 19,346.10
  4. Step 4: Simplify right side
    31,192.81x = 904,921,179.02
  5. Step 5: Solve for x
    x = 904,921,179.02/31,192.81
  6. Step 6: Final answer
    x = 29,010.57

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1.5x scale

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.