Home / 45,733.38-68,322.95-28,959.09

Finding the Fourth Proportional to 45,733.38, 68,322.95 and 28,959.09

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Solution

The fourth proportional to 45,733.38, 68,322.95 and 28,959.09 is: 43,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,733.38 : 68,322.95 = 28,959.09 : x
  2. Step 2: Convert to fraction form
    45,733.38/68,322.95 = 28,959.09/x
  3. Step 3: Cross multiply
    45,733.38x = 68,322.95 × 28,959.09
  4. Step 4: Simplify right side
    45,733.38x = 1,978,570,313.32
  5. Step 5: Solve for x
    x = 1,978,570,313.32/45,733.38
  6. Step 6: Final answer
    x = 43,263.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.