Home / 51,922.68-78,030.11-30,866.49

Finding the Fourth Proportional to 51,922.68, 78,030.11 and 30,866.49

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Solution

The fourth proportional to 51,922.68, 78,030.11 and 30,866.49 is: 46,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,922.68 : 78,030.11 = 30,866.49 : x
  2. Step 2: Convert to fraction form
    51,922.68/78,030.11 = 30,866.49/x
  3. Step 3: Cross multiply
    51,922.68x = 78,030.11 × 30,866.49
  4. Step 4: Simplify right side
    51,922.68x = 2,408,515,326.04
  5. Step 5: Solve for x
    x = 2,408,515,326.04/51,922.68
  6. Step 6: Final answer
    x = 46,386.57

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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.