Home / 31,622.00-47,435.72-12,903.35

Finding the Fourth Proportional to 31,622.00, 47,435.72 and 12,903.35

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Solution

The fourth proportional to 31,622.00, 47,435.72 and 12,903.35 is: 19,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.00 : 47,435.72 = 12,903.35 : x
  2. Step 2: Convert to fraction form
    31,622.00/47,435.72 = 12,903.35/x
  3. Step 3: Cross multiply
    31,622.00x = 47,435.72 × 12,903.35
  4. Step 4: Simplify right side
    31,622.00x = 612,079,395.97
  5. Step 5: Solve for x
    x = 612,079,395.97/31,622.00
  6. Step 6: Final answer
    x = 19,356.13

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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.