Home / 35,566.72-53,291.64-12,180.40

Finding the Fourth Proportional to 35,566.72, 53,291.64 and 12,180.40

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Solution

The fourth proportional to 35,566.72, 53,291.64 and 12,180.40 is: 18,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,566.72 : 53,291.64 = 12,180.40 : x
  2. Step 2: Convert to fraction form
    35,566.72/53,291.64 = 12,180.40/x
  3. Step 3: Cross multiply
    35,566.72x = 53,291.64 × 12,180.40
  4. Step 4: Simplify right side
    35,566.72x = 649,113,491.86
  5. Step 5: Solve for x
    x = 649,113,491.86/35,566.72
  6. Step 6: Final answer
    x = 18,250.59

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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.