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Finding the Fourth Proportional to 50,323.90, 75,485.90 and 12,884.08

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Solution

The fourth proportional to 50,323.90, 75,485.90 and 12,884.08 is: 19,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.90 : 75,485.90 = 12,884.08 : x
  2. Step 2: Convert to fraction form
    50,323.90/75,485.90 = 12,884.08/x
  3. Step 3: Cross multiply
    50,323.90x = 75,485.90 × 12,884.08
  4. Step 4: Simplify right side
    50,323.90x = 972,566,374.47
  5. Step 5: Solve for x
    x = 972,566,374.47/50,323.90
  6. Step 6: Final answer
    x = 19,326.13

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1.5x scale

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.