Home / 35,890.74-53,829.63-12,523.86

Finding the Fourth Proportional to 35,890.74, 53,829.63 and 12,523.86

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Solution

The fourth proportional to 35,890.74, 53,829.63 and 12,523.86 is: 18,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.74 : 53,829.63 = 12,523.86 : x
  2. Step 2: Convert to fraction form
    35,890.74/53,829.63 = 12,523.86/x
  3. Step 3: Cross multiply
    35,890.74x = 53,829.63 × 12,523.86
  4. Step 4: Simplify right side
    35,890.74x = 674,154,749.97
  5. Step 5: Solve for x
    x = 674,154,749.97/35,890.74
  6. Step 6: Final answer
    x = 18,783.53

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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.