Home / 31,626.36-47,300.04-28,141.02

Finding the Fourth Proportional to 31,626.36, 47,300.04 and 28,141.02

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Solution

The fourth proportional to 31,626.36, 47,300.04 and 28,141.02 is: 42,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.36 : 47,300.04 = 28,141.02 : x
  2. Step 2: Convert to fraction form
    31,626.36/47,300.04 = 28,141.02/x
  3. Step 3: Cross multiply
    31,626.36x = 47,300.04 × 28,141.02
  4. Step 4: Simplify right side
    31,626.36x = 1,331,071,371.64
  5. Step 5: Solve for x
    x = 1,331,071,371.64/31,626.36
  6. Step 6: Final answer
    x = 42,087.40

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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.