Home / 43,111.07-64,666.62-11,946.32

Finding the Fourth Proportional to 43,111.07, 64,666.62 and 11,946.32

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Solution

The fourth proportional to 43,111.07, 64,666.62 and 11,946.32 is: 17,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,111.07 : 64,666.62 = 11,946.32 : x
  2. Step 2: Convert to fraction form
    43,111.07/64,666.62 = 11,946.32/x
  3. Step 3: Cross multiply
    43,111.07x = 64,666.62 × 11,946.32
  4. Step 4: Simplify right side
    43,111.07x = 772,527,812.51
  5. Step 5: Solve for x
    x = 772,527,812.51/43,111.07
  6. Step 6: Final answer
    x = 17,919.48

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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.