Home / 51,072.11-70,485.74-30,936.02

Finding the Fourth Proportional to 51,072.11, 70,485.74 and 30,936.02

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Solution

The fourth proportional to 51,072.11, 70,485.74 and 30,936.02 is: 42,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.11 : 70,485.74 = 30,936.02 : x
  2. Step 2: Convert to fraction form
    51,072.11/70,485.74 = 30,936.02/x
  3. Step 3: Cross multiply
    51,072.11x = 70,485.74 × 30,936.02
  4. Step 4: Simplify right side
    51,072.11x = 2,180,547,755.25
  5. Step 5: Solve for x
    x = 2,180,547,755.25/51,072.11
  6. Step 6: Final answer
    x = 42,695.47

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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.