Home / 51,335.94-70,842.85-28,675.27

Finding the Fourth Proportional to 51,335.94, 70,842.85 and 28,675.27

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Solution

The fourth proportional to 51,335.94, 70,842.85 and 28,675.27 is: 39,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.94 : 70,842.85 = 28,675.27 : x
  2. Step 2: Convert to fraction form
    51,335.94/70,842.85 = 28,675.27/x
  3. Step 3: Cross multiply
    51,335.94x = 70,842.85 × 28,675.27
  4. Step 4: Simplify right side
    51,335.94x = 2,031,437,707.94
  5. Step 5: Solve for x
    x = 2,031,437,707.94/51,335.94
  6. Step 6: Final answer
    x = 39,571.45

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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.