Home / 49,979.63-74,979.91-14,440.88

Finding the Fourth Proportional to 49,979.63, 74,979.91 and 14,440.88

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Solution

The fourth proportional to 49,979.63, 74,979.91 and 14,440.88 is: 21,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.63 : 74,979.91 = 14,440.88 : x
  2. Step 2: Convert to fraction form
    49,979.63/74,979.91 = 14,440.88/x
  3. Step 3: Cross multiply
    49,979.63x = 74,979.91 × 14,440.88
  4. Step 4: Simplify right side
    49,979.63x = 1,082,776,088.22
  5. Step 5: Solve for x
    x = 1,082,776,088.22/49,979.63
  6. Step 6: Final answer
    x = 21,664.35

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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.