Home / 43,071.83-64,541.79-28,979.65

Finding the Fourth Proportional to 43,071.83, 64,541.79 and 28,979.65

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Solution

The fourth proportional to 43,071.83, 64,541.79 and 28,979.65 is: 43,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.83 : 64,541.79 = 28,979.65 : x
  2. Step 2: Convert to fraction form
    43,071.83/64,541.79 = 28,979.65/x
  3. Step 3: Cross multiply
    43,071.83x = 64,541.79 × 28,979.65
  4. Step 4: Simplify right side
    43,071.83x = 1,870,398,565.25
  5. Step 5: Solve for x
    x = 1,870,398,565.25/43,071.83
  6. Step 6: Final answer
    x = 43,425.10

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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.