Home / 35,905.23-53,882.45-12,531.67

Finding the Fourth Proportional to 35,905.23, 53,882.45 and 12,531.67

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Solution

The fourth proportional to 35,905.23, 53,882.45 and 12,531.67 is: 18,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.23 : 53,882.45 = 12,531.67 : x
  2. Step 2: Convert to fraction form
    35,905.23/53,882.45 = 12,531.67/x
  3. Step 3: Cross multiply
    35,905.23x = 53,882.45 × 12,531.67
  4. Step 4: Simplify right side
    35,905.23x = 675,236,978.81
  5. Step 5: Solve for x
    x = 675,236,978.81/35,905.23
  6. Step 6: Final answer
    x = 18,806.09

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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.