Home / 39,329.36-54,271.24-22,558.80

Finding the Fourth Proportional to 39,329.36, 54,271.24 and 22,558.80

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Solution

The fourth proportional to 39,329.36, 54,271.24 and 22,558.80 is: 31,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329.36 : 54,271.24 = 22,558.80 : x
  2. Step 2: Convert to fraction form
    39,329.36/54,271.24 = 22,558.80/x
  3. Step 3: Cross multiply
    39,329.36x = 54,271.24 × 22,558.80
  4. Step 4: Simplify right side
    39,329.36x = 1,224,294,048.91
  5. Step 5: Solve for x
    x = 1,224,294,048.91/39,329.36
  6. Step 6: Final answer
    x = 31,129.26

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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.