Home / 51,421.19-77,166.23-18,141.44

Finding the Fourth Proportional to 51,421.19, 77,166.23 and 18,141.44

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Solution

The fourth proportional to 51,421.19, 77,166.23 and 18,141.44 is: 27,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.19 : 77,166.23 = 18,141.44 : x
  2. Step 2: Convert to fraction form
    51,421.19/77,166.23 = 18,141.44/x
  3. Step 3: Cross multiply
    51,421.19x = 77,166.23 × 18,141.44
  4. Step 4: Simplify right side
    51,421.19x = 1,399,906,055.03
  5. Step 5: Solve for x
    x = 1,399,906,055.03/51,421.19
  6. Step 6: Final answer
    x = 27,224.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.