Home / 55,687.26-76,848.40-30,537.30

Finding the Fourth Proportional to 55,687.26, 76,848.40 and 30,537.30

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Solution

The fourth proportional to 55,687.26, 76,848.40 and 30,537.30 is: 42,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.26 : 76,848.40 = 30,537.30 : x
  2. Step 2: Convert to fraction form
    55,687.26/76,848.40 = 30,537.30/x
  3. Step 3: Cross multiply
    55,687.26x = 76,848.40 × 30,537.30
  4. Step 4: Simplify right side
    55,687.26x = 2,346,742,645.32
  5. Step 5: Solve for x
    x = 2,346,742,645.32/55,687.26
  6. Step 6: Final answer
    x = 42,141.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.