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Finding the Fourth Proportional to 50,625.60, 75,931.20 and 17,347.20

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Solution

The fourth proportional to 50,625.60, 75,931.20 and 17,347.20 is: 26,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,625.60 : 75,931.20 = 17,347.20 : x
  2. Step 2: Convert to fraction form
    50,625.60/75,931.20 = 17,347.20/x
  3. Step 3: Cross multiply
    50,625.60x = 75,931.20 × 17,347.20
  4. Step 4: Simplify right side
    50,625.60x = 1,317,193,712.64
  5. Step 5: Solve for x
    x = 1,317,193,712.64/50,625.60
  6. Step 6: Final answer
    x = 26,018.33

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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.