Home / 39,366.07-54,324.88-21,461.02

Finding the Fourth Proportional to 39,366.07, 54,324.88 and 21,461.02

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Solution

The fourth proportional to 39,366.07, 54,324.88 and 21,461.02 is: 29,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.07 : 54,324.88 = 21,461.02 : x
  2. Step 2: Convert to fraction form
    39,366.07/54,324.88 = 21,461.02/x
  3. Step 3: Cross multiply
    39,366.07x = 54,324.88 × 21,461.02
  4. Step 4: Simplify right side
    39,366.07x = 1,165,867,336.18
  5. Step 5: Solve for x
    x = 1,165,867,336.18/39,366.07
  6. Step 6: Final answer
    x = 29,616.05

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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.