Home / 47,959.47-66,192.53-30,069.81

Finding the Fourth Proportional to 47,959.47, 66,192.53 and 30,069.81

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Solution

The fourth proportional to 47,959.47, 66,192.53 and 30,069.81 is: 41,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.47 : 66,192.53 = 30,069.81 : x
  2. Step 2: Convert to fraction form
    47,959.47/66,192.53 = 30,069.81/x
  3. Step 3: Cross multiply
    47,959.47x = 66,192.53 × 30,069.81
  4. Step 4: Simplify right side
    47,959.47x = 1,990,396,650.17
  5. Step 5: Solve for x
    x = 1,990,396,650.17/47,959.47
  6. Step 6: Final answer
    x = 41,501.64

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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.