Home / 39,366.35-54,326.12-21,461.34

Finding the Fourth Proportional to 39,366.35, 54,326.12 and 21,461.34

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Solution

The fourth proportional to 39,366.35, 54,326.12 and 21,461.34 is: 29,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.35 : 54,326.12 = 21,461.34 : x
  2. Step 2: Convert to fraction form
    39,366.35/54,326.12 = 21,461.34/x
  3. Step 3: Cross multiply
    39,366.35x = 54,326.12 × 21,461.34
  4. Step 4: Simplify right side
    39,366.35x = 1,165,911,332.20
  5. Step 5: Solve for x
    x = 1,165,911,332.20/39,366.35
  6. Step 6: Final answer
    x = 29,616.95

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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.