Home / 31,339.82-47,013.02-9,153.26

Finding the Fourth Proportional to 31,339.82, 47,013.02 and 9,153.26

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Solution

The fourth proportional to 31,339.82, 47,013.02 and 9,153.26 is: 13,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.82 : 47,013.02 = 9,153.26 : x
  2. Step 2: Convert to fraction form
    31,339.82/47,013.02 = 9,153.26/x
  3. Step 3: Cross multiply
    31,339.82x = 47,013.02 × 9,153.26
  4. Step 4: Simplify right side
    31,339.82x = 430,322,325.24
  5. Step 5: Solve for x
    x = 430,322,325.24/31,339.82
  6. Step 6: Final answer
    x = 13,730.85

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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.