Home / 34,772.11-47,984.91-19,664.26

Finding the Fourth Proportional to 34,772.11, 47,984.91 and 19,664.26

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Solution

The fourth proportional to 34,772.11, 47,984.91 and 19,664.26 is: 27,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.11 : 47,984.91 = 19,664.26 : x
  2. Step 2: Convert to fraction form
    34,772.11/47,984.91 = 19,664.26/x
  3. Step 3: Cross multiply
    34,772.11x = 47,984.91 × 19,664.26
  4. Step 4: Simplify right side
    34,772.11x = 943,587,746.32
  5. Step 5: Solve for x
    x = 943,587,746.32/34,772.11
  6. Step 6: Final answer
    x = 27,136.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.