Home / 63,055.35-94,582.82-20,938.62

Finding the Fourth Proportional to 63,055.35, 94,582.82 and 20,938.62

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Solution

The fourth proportional to 63,055.35, 94,582.82 and 20,938.62 is: 31,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,055.35 : 94,582.82 = 20,938.62 : x
  2. Step 2: Convert to fraction form
    63,055.35/94,582.82 = 20,938.62/x
  3. Step 3: Cross multiply
    63,055.35x = 94,582.82 × 20,938.62
  4. Step 4: Simplify right side
    63,055.35x = 1,980,433,621.82
  5. Step 5: Solve for x
    x = 1,980,433,621.82/63,055.35
  6. Step 6: Final answer
    x = 31,407.86

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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.