Home / 43,494.31-59,980.81-28,382.14

Finding the Fourth Proportional to 43,494.31, 59,980.81 and 28,382.14

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Solution

The fourth proportional to 43,494.31, 59,980.81 and 28,382.14 is: 39,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494.31 : 59,980.81 = 28,382.14 : x
  2. Step 2: Convert to fraction form
    43,494.31/59,980.81 = 28,382.14/x
  3. Step 3: Cross multiply
    43,494.31x = 59,980.81 × 28,382.14
  4. Step 4: Simplify right side
    43,494.31x = 1,702,383,746.73
  5. Step 5: Solve for x
    x = 1,702,383,746.73/43,494.31
  6. Step 6: Final answer
    x = 39,140.38

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1.5x scale

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.