Home / 39,468.70-54,485.76-23,338.78

Finding the Fourth Proportional to 39,468.70, 54,485.76 and 23,338.78

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Solution

The fourth proportional to 39,468.70, 54,485.76 and 23,338.78 is: 32,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.70 : 54,485.76 = 23,338.78 : x
  2. Step 2: Convert to fraction form
    39,468.70/54,485.76 = 23,338.78/x
  3. Step 3: Cross multiply
    39,468.70x = 54,485.76 × 23,338.78
  4. Step 4: Simplify right side
    39,468.70x = 1,271,631,165.77
  5. Step 5: Solve for x
    x = 1,271,631,165.77/39,468.70
  6. Step 6: Final answer
    x = 32,218.72

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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.