Home / 35,905.50-53,866.89-11,281.50

Finding the Fourth Proportional to 35,905.50, 53,866.89 and 11,281.50

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Solution

The fourth proportional to 35,905.50, 53,866.89 and 11,281.50 is: 16,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.50 : 53,866.89 = 11,281.50 : x
  2. Step 2: Convert to fraction form
    35,905.50/53,866.89 = 11,281.50/x
  3. Step 3: Cross multiply
    35,905.50x = 53,866.89 × 11,281.50
  4. Step 4: Simplify right side
    35,905.50x = 607,699,319.54
  5. Step 5: Solve for x
    x = 607,699,319.54/35,905.50
  6. Step 6: Final answer
    x = 16,924.96

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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.