Home / 51,263.51-70,743.72-30,042.80

Finding the Fourth Proportional to 51,263.51, 70,743.72 and 30,042.80

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Solution

The fourth proportional to 51,263.51, 70,743.72 and 30,042.80 is: 41,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,263.51 : 70,743.72 = 30,042.80 : x
  2. Step 2: Convert to fraction form
    51,263.51/70,743.72 = 30,042.80/x
  3. Step 3: Cross multiply
    51,263.51x = 70,743.72 × 30,042.80
  4. Step 4: Simplify right side
    51,263.51x = 2,125,339,431.22
  5. Step 5: Solve for x
    x = 2,125,339,431.22/51,263.51
  6. Step 6: Final answer
    x = 41,459.11

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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.