Home / 51,292.51-70,795.47-30,078.61

Finding the Fourth Proportional to 51,292.51, 70,795.47 and 30,078.61

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Solution

The fourth proportional to 51,292.51, 70,795.47 and 30,078.61 is: 41,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.51 : 70,795.47 = 30,078.61 : x
  2. Step 2: Convert to fraction form
    51,292.51/70,795.47 = 30,078.61/x
  3. Step 3: Cross multiply
    51,292.51x = 70,795.47 × 30,078.61
  4. Step 4: Simplify right side
    51,292.51x = 2,129,429,533.19
  5. Step 5: Solve for x
    x = 2,129,429,533.19/51,292.51
  6. Step 6: Final answer
    x = 41,515.41

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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.