Home / 31,516.94-47,275.40-21,626.22

Finding the Fourth Proportional to 31,516.94, 47,275.40 and 21,626.22

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Solution

The fourth proportional to 31,516.94, 47,275.40 and 21,626.22 is: 32,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.94 : 47,275.40 = 21,626.22 : x
  2. Step 2: Convert to fraction form
    31,516.94/47,275.40 = 21,626.22/x
  3. Step 3: Cross multiply
    31,516.94x = 47,275.40 × 21,626.22
  4. Step 4: Simplify right side
    31,516.94x = 1,022,388,200.99
  5. Step 5: Solve for x
    x = 1,022,388,200.99/31,516.94
  6. Step 6: Final answer
    x = 32,439.32

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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.