Home / 56,030.25-84,045.38-20,986.41

Finding the Fourth Proportional to 56,030.25, 84,045.38 and 20,986.41

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Solution

The fourth proportional to 56,030.25, 84,045.38 and 20,986.41 is: 31,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.25 : 84,045.38 = 20,986.41 : x
  2. Step 2: Convert to fraction form
    56,030.25/84,045.38 = 20,986.41/x
  3. Step 3: Cross multiply
    56,030.25x = 84,045.38 × 20,986.41
  4. Step 4: Simplify right side
    56,030.25x = 1,763,810,698.35
  5. Step 5: Solve for x
    x = 1,763,810,698.35/56,030.25
  6. Step 6: Final answer
    x = 31,479.62

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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.