Home / 51,261.63-70,741.11-30,040.88

Finding the Fourth Proportional to 51,261.63, 70,741.11 and 30,040.88

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Solution

The fourth proportional to 51,261.63, 70,741.11 and 30,040.88 is: 41,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.63 : 70,741.11 = 30,040.88 : x
  2. Step 2: Convert to fraction form
    51,261.63/70,741.11 = 30,040.88/x
  3. Step 3: Cross multiply
    51,261.63x = 70,741.11 × 30,040.88
  4. Step 4: Simplify right side
    51,261.63x = 2,125,124,955.52
  5. Step 5: Solve for x
    x = 2,125,124,955.52/51,261.63
  6. Step 6: Final answer
    x = 41,456.45

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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.