Home / 34,731.63-47,929.59-18,816.48

Finding the Fourth Proportional to 34,731.63, 47,929.59 and 18,816.48

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Solution

The fourth proportional to 34,731.63, 47,929.59 and 18,816.48 is: 25,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.63 : 47,929.59 = 18,816.48 : x
  2. Step 2: Convert to fraction form
    34,731.63/47,929.59 = 18,816.48/x
  3. Step 3: Cross multiply
    34,731.63x = 47,929.59 × 18,816.48
  4. Step 4: Simplify right side
    34,731.63x = 901,866,171.64
  5. Step 5: Solve for x
    x = 901,866,171.64/34,731.63
  6. Step 6: Final answer
    x = 25,966.71

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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.