Home / 47,138.58-65,044.95-29,227.08

Finding the Fourth Proportional to 47,138.58, 65,044.95 and 29,227.08

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Solution

The fourth proportional to 47,138.58, 65,044.95 and 29,227.08 is: 40,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.58 : 65,044.95 = 29,227.08 : x
  2. Step 2: Convert to fraction form
    47,138.58/65,044.95 = 29,227.08/x
  3. Step 3: Cross multiply
    47,138.58x = 65,044.95 × 29,227.08
  4. Step 4: Simplify right side
    47,138.58x = 1,901,073,957.25
  5. Step 5: Solve for x
    x = 1,901,073,957.25/47,138.58
  6. Step 6: Final answer
    x = 40,329.47

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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.