Home / 31,606.02-47,416.10-11,884.75

Finding the Fourth Proportional to 31,606.02, 47,416.10 and 11,884.75

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Solution

The fourth proportional to 31,606.02, 47,416.10 and 11,884.75 is: 17,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.02 : 47,416.10 = 11,884.75 : x
  2. Step 2: Convert to fraction form
    31,606.02/47,416.10 = 11,884.75/x
  3. Step 3: Cross multiply
    31,606.02x = 47,416.10 × 11,884.75
  4. Step 4: Simplify right side
    31,606.02x = 563,528,494.48
  5. Step 5: Solve for x
    x = 563,528,494.48/31,606.02
  6. Step 6: Final answer
    x = 17,829.78

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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.