Home / 56,435.40-84,653.82-38,900.52

Finding the Fourth Proportional to 56,435.40, 84,653.82 and 38,900.52

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Solution

The fourth proportional to 56,435.40, 84,653.82 and 38,900.52 is: 58,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.40 : 84,653.82 = 38,900.52 : x
  2. Step 2: Convert to fraction form
    56,435.40/84,653.82 = 38,900.52/x
  3. Step 3: Cross multiply
    56,435.40x = 84,653.82 × 38,900.52
  4. Step 4: Simplify right side
    56,435.40x = 3,293,077,617.99
  5. Step 5: Solve for x
    x = 3,293,077,617.99/56,435.40
  6. Step 6: Final answer
    x = 58,351.28

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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.