Home / 39,661.04-54,728.76-22,661.90

Finding the Fourth Proportional to 39,661.04, 54,728.76 and 22,661.90

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Solution

The fourth proportional to 39,661.04, 54,728.76 and 22,661.90 is: 31,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.04 : 54,728.76 = 22,661.90 : x
  2. Step 2: Convert to fraction form
    39,661.04/54,728.76 = 22,661.90/x
  3. Step 3: Cross multiply
    39,661.04x = 54,728.76 × 22,661.90
  4. Step 4: Simplify right side
    39,661.04x = 1,240,257,412.60
  5. Step 5: Solve for x
    x = 1,240,257,412.60/39,661.04
  6. Step 6: Final answer
    x = 31,271.43

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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.