Home / 35,865.22-53,798.10-12,491.60

Finding the Fourth Proportional to 35,865.22, 53,798.10 and 12,491.60

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Solution

The fourth proportional to 35,865.22, 53,798.10 and 12,491.60 is: 18,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,865.22 : 53,798.10 = 12,491.60 : x
  2. Step 2: Convert to fraction form
    35,865.22/53,798.10 = 12,491.60/x
  3. Step 3: Cross multiply
    35,865.22x = 53,798.10 × 12,491.60
  4. Step 4: Simplify right side
    35,865.22x = 672,024,345.96
  5. Step 5: Solve for x
    x = 672,024,345.96/35,865.22
  6. Step 6: Final answer
    x = 18,737.49

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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.