Home / 39,271.64-54,190.76-22,270.45

Finding the Fourth Proportional to 39,271.64, 54,190.76 and 22,270.45

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Solution

The fourth proportional to 39,271.64, 54,190.76 and 22,270.45 is: 30,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,271.64 : 54,190.76 = 22,270.45 : x
  2. Step 2: Convert to fraction form
    39,271.64/54,190.76 = 22,270.45/x
  3. Step 3: Cross multiply
    39,271.64x = 54,190.76 × 22,270.45
  4. Step 4: Simplify right side
    39,271.64x = 1,206,852,591.09
  5. Step 5: Solve for x
    x = 1,206,852,591.09/39,271.64
  6. Step 6: Final answer
    x = 30,730.89

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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.