Home / 43,639.56-65,459.34-28,047.06

Finding the Fourth Proportional to 43,639.56, 65,459.34 and 28,047.06

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Solution

The fourth proportional to 43,639.56, 65,459.34 and 28,047.06 is: 42,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,639.56 : 65,459.34 = 28,047.06 : x
  2. Step 2: Convert to fraction form
    43,639.56/65,459.34 = 28,047.06/x
  3. Step 3: Cross multiply
    43,639.56x = 65,459.34 × 28,047.06
  4. Step 4: Simplify right side
    43,639.56x = 1,835,942,036.54
  5. Step 5: Solve for x
    x = 1,835,942,036.54/43,639.56
  6. Step 6: Final answer
    x = 42,070.59

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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.