Home / 50,925.89-76,384.91-20,931.93

Finding the Fourth Proportional to 50,925.89, 76,384.91 and 20,931.93

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Solution

The fourth proportional to 50,925.89, 76,384.91 and 20,931.93 is: 31,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,925.89 : 76,384.91 = 20,931.93 : x
  2. Step 2: Convert to fraction form
    50,925.89/76,384.91 = 20,931.93/x
  3. Step 3: Cross multiply
    50,925.89x = 76,384.91 × 20,931.93
  4. Step 4: Simplify right side
    50,925.89x = 1,598,883,589.18
  5. Step 5: Solve for x
    x = 1,598,883,589.18/50,925.89
  6. Step 6: Final answer
    x = 31,396.28

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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.