Home / 35,374.65-53,024.31-18,515.31

Finding the Fourth Proportional to 35,374.65, 53,024.31 and 18,515.31

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Solution

The fourth proportional to 35,374.65, 53,024.31 and 18,515.31 is: 27,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.65 : 53,024.31 = 18,515.31 : x
  2. Step 2: Convert to fraction form
    35,374.65/53,024.31 = 18,515.31/x
  3. Step 3: Cross multiply
    35,374.65x = 53,024.31 × 18,515.31
  4. Step 4: Simplify right side
    35,374.65x = 981,761,537.19
  5. Step 5: Solve for x
    x = 981,761,537.19/35,374.65
  6. Step 6: Final answer
    x = 27,753.25

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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.