Home / 31,626.80-47,439.29-9,440.36

Finding the Fourth Proportional to 31,626.80, 47,439.29 and 9,440.36

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Solution

The fourth proportional to 31,626.80, 47,439.29 and 9,440.36 is: 14,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.80 : 47,439.29 = 9,440.36 : x
  2. Step 2: Convert to fraction form
    31,626.80/47,439.29 = 9,440.36/x
  3. Step 3: Cross multiply
    31,626.80x = 47,439.29 × 9,440.36
  4. Step 4: Simplify right side
    31,626.80x = 447,843,762.15
  5. Step 5: Solve for x
    x = 447,843,762.15/31,626.80
  6. Step 6: Final answer
    x = 14,160.26

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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.