Home / 47,585.48-71,356.06-21,290.44

Finding the Fourth Proportional to 47,585.48, 71,356.06 and 21,290.44

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Solution

The fourth proportional to 47,585.48, 71,356.06 and 21,290.44 is: 31,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.48 : 71,356.06 = 21,290.44 : x
  2. Step 2: Convert to fraction form
    47,585.48/71,356.06 = 21,290.44/x
  3. Step 3: Cross multiply
    47,585.48x = 71,356.06 × 21,290.44
  4. Step 4: Simplify right side
    47,585.48x = 1,519,201,914.07
  5. Step 5: Solve for x
    x = 1,519,201,914.07/47,585.48
  6. Step 6: Final answer
    x = 31,925.75

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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.