Home / 30,261-41,731.46-18,159.64

Finding the Fourth Proportional to 30,261, 41,731.46 and 18,159.64

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Solution

The fourth proportional to 30,261, 41,731.46 and 18,159.64 is: 25,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261 : 41,731.46 = 18,159.64 : x
  2. Step 2: Convert to fraction form
    30,261/41,731.46 = 18,159.64/x
  3. Step 3: Cross multiply
    30,261x = 41,731.46 × 18,159.64
  4. Step 4: Simplify right side
    30,261x = 757,828,290.27
  5. Step 5: Solve for x
    x = 757,828,290.27/30,261
  6. Step 6: Final answer
    x = 25,043.07

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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.