Home / 49,979.64-74,980.80-14,916.36

Finding the Fourth Proportional to 49,979.64, 74,980.80 and 14,916.36

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Solution

The fourth proportional to 49,979.64, 74,980.80 and 14,916.36 is: 22,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.64 : 74,980.80 = 14,916.36 : x
  2. Step 2: Convert to fraction form
    49,979.64/74,980.80 = 14,916.36/x
  3. Step 3: Cross multiply
    49,979.64x = 74,980.80 × 14,916.36
  4. Step 4: Simplify right side
    49,979.64x = 1,118,440,605.89
  5. Step 5: Solve for x
    x = 1,118,440,605.89/49,979.64
  6. Step 6: Final answer
    x = 22,377.92

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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.