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Finding the Fourth Proportional to 50,487.64, 69,681 and 38,528.26

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Solution

The fourth proportional to 50,487.64, 69,681 and 38,528.26 is: 53,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,487.64 : 69,681 = 38,528.26 : x
  2. Step 2: Convert to fraction form
    50,487.64/69,681 = 38,528.26/x
  3. Step 3: Cross multiply
    50,487.64x = 69,681 × 38,528.26
  4. Step 4: Simplify right side
    50,487.64x = 2,684,687,685.06
  5. Step 5: Solve for x
    x = 2,684,687,685.06/50,487.64
  6. Step 6: Final answer
    x = 53,175.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.