Home / 35,982.81-49,656.51-20,884.50

Finding the Fourth Proportional to 35,982.81, 49,656.51 and 20,884.50

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Solution

The fourth proportional to 35,982.81, 49,656.51 and 20,884.50 is: 28,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.81 : 49,656.51 = 20,884.50 : x
  2. Step 2: Convert to fraction form
    35,982.81/49,656.51 = 20,884.50/x
  3. Step 3: Cross multiply
    35,982.81x = 49,656.51 × 20,884.50
  4. Step 4: Simplify right side
    35,982.81x = 1,037,051,383.10
  5. Step 5: Solve for x
    x = 1,037,051,383.10/35,982.81
  6. Step 6: Final answer
    x = 28,820.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.