Home / 51,042.69-70,440.44-30,903.26

Finding the Fourth Proportional to 51,042.69, 70,440.44 and 30,903.26

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Solution

The fourth proportional to 51,042.69, 70,440.44 and 30,903.26 is: 42,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.69 : 70,440.44 = 30,903.26 : x
  2. Step 2: Convert to fraction form
    51,042.69/70,440.44 = 30,903.26/x
  3. Step 3: Cross multiply
    51,042.69x = 70,440.44 × 30,903.26
  4. Step 4: Simplify right side
    51,042.69x = 2,176,838,725.12
  5. Step 5: Solve for x
    x = 2,176,838,725.12/51,042.69
  6. Step 6: Final answer
    x = 42,647.41

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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.