Home / 35,989.02-53,983.53-12,609.99

Finding the Fourth Proportional to 35,989.02, 53,983.53 and 12,609.99

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Solution

The fourth proportional to 35,989.02, 53,983.53 and 12,609.99 is: 18,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.02 : 53,983.53 = 12,609.99 : x
  2. Step 2: Convert to fraction form
    35,989.02/53,983.53 = 12,609.99/x
  3. Step 3: Cross multiply
    35,989.02x = 53,983.53 × 12,609.99
  4. Step 4: Simplify right side
    35,989.02x = 680,731,773.46
  5. Step 5: Solve for x
    x = 680,731,773.46/35,989.02
  6. Step 6: Final answer
    x = 18,914.99

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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.