Home / 35,829.42-53,753.85-12,457.68

Finding the Fourth Proportional to 35,829.42, 53,753.85 and 12,457.68

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Solution

The fourth proportional to 35,829.42, 53,753.85 and 12,457.68 is: 18,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.42 : 53,753.85 = 12,457.68 : x
  2. Step 2: Convert to fraction form
    35,829.42/53,753.85 = 12,457.68/x
  3. Step 3: Cross multiply
    35,829.42x = 53,753.85 × 12,457.68
  4. Step 4: Simplify right side
    35,829.42x = 669,648,262.07
  5. Step 5: Solve for x
    x = 669,648,262.07/35,829.42
  6. Step 6: Final answer
    x = 18,689.90

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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.