Home / 63,317.74-94,929.42-21,172.90

Finding the Fourth Proportional to 63,317.74, 94,929.42 and 21,172.90

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Solution

The fourth proportional to 63,317.74, 94,929.42 and 21,172.90 is: 31,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,317.74 : 94,929.42 = 21,172.90 : x
  2. Step 2: Convert to fraction form
    63,317.74/94,929.42 = 21,172.90/x
  3. Step 3: Cross multiply
    63,317.74x = 94,929.42 × 21,172.90
  4. Step 4: Simplify right side
    63,317.74x = 2,009,931,116.72
  5. Step 5: Solve for x
    x = 2,009,931,116.72/63,317.74
  6. Step 6: Final answer
    x = 31,743.57

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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.