Home / 35,812.84-53,719.26-12,426.60

Finding the Fourth Proportional to 35,812.84, 53,719.26 and 12,426.60

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Solution

The fourth proportional to 35,812.84, 53,719.26 and 12,426.60 is: 18,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.84 : 53,719.26 = 12,426.60 : x
  2. Step 2: Convert to fraction form
    35,812.84/53,719.26 = 12,426.60/x
  3. Step 3: Cross multiply
    35,812.84x = 53,719.26 × 12,426.60
  4. Step 4: Simplify right side
    35,812.84x = 667,547,756.32
  5. Step 5: Solve for x
    x = 667,547,756.32/35,812.84
  6. Step 6: Final answer
    x = 18,639.90

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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.