Home / 34,949-52,423.50-14,172.50

Finding the Fourth Proportional to 34,949, 52,423.50 and 14,172.50

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Solution

The fourth proportional to 34,949, 52,423.50 and 14,172.50 is: 21,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,949 : 52,423.50 = 14,172.50 : x
  2. Step 2: Convert to fraction form
    34,949/52,423.50 = 14,172.50/x
  3. Step 3: Cross multiply
    34,949x = 52,423.50 × 14,172.50
  4. Step 4: Simplify right side
    34,949x = 742,972,053.75
  5. Step 5: Solve for x
    x = 742,972,053.75/34,949
  6. Step 6: Final answer
    x = 21,258.75

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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.