Home / 30,718.79-46,089.29-10,731.24

Finding the Fourth Proportional to 30,718.79, 46,089.29 and 10,731.24

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Solution

The fourth proportional to 30,718.79, 46,089.29 and 10,731.24 is: 16,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718.79 : 46,089.29 = 10,731.24 : x
  2. Step 2: Convert to fraction form
    30,718.79/46,089.29 = 10,731.24/x
  3. Step 3: Cross multiply
    30,718.79x = 46,089.29 × 10,731.24
  4. Step 4: Simplify right side
    30,718.79x = 494,595,178.76
  5. Step 5: Solve for x
    x = 494,595,178.76/30,718.79
  6. Step 6: Final answer
    x = 16,100.74

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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.