Home / 51,915.44-71,643.35-28,042.11

Finding the Fourth Proportional to 51,915.44, 71,643.35 and 28,042.11

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Solution

The fourth proportional to 51,915.44, 71,643.35 and 28,042.11 is: 38,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.44 : 71,643.35 = 28,042.11 : x
  2. Step 2: Convert to fraction form
    51,915.44/71,643.35 = 28,042.11/x
  3. Step 3: Cross multiply
    51,915.44x = 71,643.35 × 28,042.11
  4. Step 4: Simplify right side
    51,915.44x = 2,009,030,701.47
  5. Step 5: Solve for x
    x = 2,009,030,701.47/51,915.44
  6. Step 6: Final answer
    x = 38,698.13

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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.