Home / 43,288.51-64,883.55-18,312.97

Finding the Fourth Proportional to 43,288.51, 64,883.55 and 18,312.97

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Solution

The fourth proportional to 43,288.51, 64,883.55 and 18,312.97 is: 27,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288.51 : 64,883.55 = 18,312.97 : x
  2. Step 2: Convert to fraction form
    43,288.51/64,883.55 = 18,312.97/x
  3. Step 3: Cross multiply
    43,288.51x = 64,883.55 × 18,312.97
  4. Step 4: Simplify right side
    43,288.51x = 1,188,210,504.64
  5. Step 5: Solve for x
    x = 1,188,210,504.64/43,288.51
  6. Step 6: Final answer
    x = 27,448.63

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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.