Home / 43,458.58-59,973.69-28,360.90

Finding the Fourth Proportional to 43,458.58, 59,973.69 and 28,360.90

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Solution

The fourth proportional to 43,458.58, 59,973.69 and 28,360.90 is: 39,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.58 : 59,973.69 = 28,360.90 : x
  2. Step 2: Convert to fraction form
    43,458.58/59,973.69 = 28,360.90/x
  3. Step 3: Cross multiply
    43,458.58x = 59,973.69 × 28,360.90
  4. Step 4: Simplify right side
    43,458.58x = 1,700,907,824.72
  5. Step 5: Solve for x
    x = 1,700,907,824.72/43,458.58
  6. Step 6: Final answer
    x = 39,138.60

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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.