Home / 39,364.74-54,324.23-21,460.64

Finding the Fourth Proportional to 39,364.74, 54,324.23 and 21,460.64

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Solution

The fourth proportional to 39,364.74, 54,324.23 and 21,460.64 is: 29,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.74 : 54,324.23 = 21,460.64 : x
  2. Step 2: Convert to fraction form
    39,364.74/54,324.23 = 21,460.64/x
  3. Step 3: Cross multiply
    39,364.74x = 54,324.23 × 21,460.64
  4. Step 4: Simplify right side
    39,364.74x = 1,165,832,364.38
  5. Step 5: Solve for x
    x = 1,165,832,364.38/39,364.74
  6. Step 6: Final answer
    x = 29,616.16

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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.