Home / 43,071.33-64,541.04-28,979.15

Finding the Fourth Proportional to 43,071.33, 64,541.04 and 28,979.15

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Solution

The fourth proportional to 43,071.33, 64,541.04 and 28,979.15 is: 43,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.33 : 64,541.04 = 28,979.15 : x
  2. Step 2: Convert to fraction form
    43,071.33/64,541.04 = 28,979.15/x
  3. Step 3: Cross multiply
    43,071.33x = 64,541.04 × 28,979.15
  4. Step 4: Simplify right side
    43,071.33x = 1,870,344,668.66
  5. Step 5: Solve for x
    x = 1,870,344,668.66/43,071.33
  6. Step 6: Final answer
    x = 43,424.35

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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.