Home / 39,271.64-54,195.08-21,367.40

Finding the Fourth Proportional to 39,271.64, 54,195.08 and 21,367.40

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Solution

The fourth proportional to 39,271.64, 54,195.08 and 21,367.40 is: 29,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,271.64 : 54,195.08 = 21,367.40 : x
  2. Step 2: Convert to fraction form
    39,271.64/54,195.08 = 21,367.40/x
  3. Step 3: Cross multiply
    39,271.64x = 54,195.08 × 21,367.40
  4. Step 4: Simplify right side
    39,271.64x = 1,158,007,574.58
  5. Step 5: Solve for x
    x = 1,158,007,574.58/39,271.64
  6. Step 6: Final answer
    x = 29,487.12

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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.