Home / 35,718.09-53,576.52-12,343.92

Finding the Fourth Proportional to 35,718.09, 53,576.52 and 12,343.92

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Solution

The fourth proportional to 35,718.09, 53,576.52 and 12,343.92 is: 18,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.09 : 53,576.52 = 12,343.92 : x
  2. Step 2: Convert to fraction form
    35,718.09/53,576.52 = 12,343.92/x
  3. Step 3: Cross multiply
    35,718.09x = 53,576.52 × 12,343.92
  4. Step 4: Simplify right side
    35,718.09x = 661,344,276.76
  5. Step 5: Solve for x
    x = 661,344,276.76/35,718.09
  6. Step 6: Final answer
    x = 18,515.67

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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.