Home / 39,977.04-55,168.59-22,073.21

Finding the Fourth Proportional to 39,977.04, 55,168.59 and 22,073.21

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Solution

The fourth proportional to 39,977.04, 55,168.59 and 22,073.21 is: 30,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.04 : 55,168.59 = 22,073.21 : x
  2. Step 2: Convert to fraction form
    39,977.04/55,168.59 = 22,073.21/x
  3. Step 3: Cross multiply
    39,977.04x = 55,168.59 × 22,073.21
  4. Step 4: Simplify right side
    39,977.04x = 1,217,747,872.47
  5. Step 5: Solve for x
    x = 1,217,747,872.47/39,977.04
  6. Step 6: Final answer
    x = 30,461.18

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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.