Home / 50,931.72-76,372.80-17,653.68

Finding the Fourth Proportional to 50,931.72, 76,372.80 and 17,653.68

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Solution

The fourth proportional to 50,931.72, 76,372.80 and 17,653.68 is: 26,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.72 : 76,372.80 = 17,653.68 : x
  2. Step 2: Convert to fraction form
    50,931.72/76,372.80 = 17,653.68/x
  3. Step 3: Cross multiply
    50,931.72x = 76,372.80 × 17,653.68
  4. Step 4: Simplify right side
    50,931.72x = 1,348,260,971.90
  5. Step 5: Solve for x
    x = 1,348,260,971.90/50,931.72
  6. Step 6: Final answer
    x = 26,471.93

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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.