Home / 31,607.33-47,395.12-10,539.91

Finding the Fourth Proportional to 31,607.33, 47,395.12 and 10,539.91

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Solution

The fourth proportional to 31,607.33, 47,395.12 and 10,539.91 is: 15,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,607.33 : 47,395.12 = 10,539.91 : x
  2. Step 2: Convert to fraction form
    31,607.33/47,395.12 = 10,539.91/x
  3. Step 3: Cross multiply
    31,607.33x = 47,395.12 × 10,539.91
  4. Step 4: Simplify right side
    31,607.33x = 499,540,299.24
  5. Step 5: Solve for x
    x = 499,540,299.24/31,607.33
  6. Step 6: Final answer
    x = 15,804.57

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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.