Home / 51,984.98-78,012.07-28,298.49

Finding the Fourth Proportional to 51,984.98, 78,012.07 and 28,298.49

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Solution

The fourth proportional to 51,984.98, 78,012.07 and 28,298.49 is: 42,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.98 : 78,012.07 = 28,298.49 : x
  2. Step 2: Convert to fraction form
    51,984.98/78,012.07 = 28,298.49/x
  3. Step 3: Cross multiply
    51,984.98x = 78,012.07 × 28,298.49
  4. Step 4: Simplify right side
    51,984.98x = 2,207,623,782.77
  5. Step 5: Solve for x
    x = 2,207,623,782.77/51,984.98
  6. Step 6: Final answer
    x = 42,466.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.