Home / 43,085.22-64,561.83-28,993.02

Finding the Fourth Proportional to 43,085.22, 64,561.83 and 28,993.02

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Solution

The fourth proportional to 43,085.22, 64,561.83 and 28,993.02 is: 43,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.22 : 64,561.83 = 28,993.02 : x
  2. Step 2: Convert to fraction form
    43,085.22/64,561.83 = 28,993.02/x
  3. Step 3: Cross multiply
    43,085.22x = 64,561.83 × 28,993.02
  4. Step 4: Simplify right side
    43,085.22x = 1,871,842,428.43
  5. Step 5: Solve for x
    x = 1,871,842,428.43/43,085.22
  6. Step 6: Final answer
    x = 43,445.12

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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.