Home / 51,503.68-77,290.12-18,223.60

Finding the Fourth Proportional to 51,503.68, 77,290.12 and 18,223.60

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Solution

The fourth proportional to 51,503.68, 77,290.12 and 18,223.60 is: 27,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.68 : 77,290.12 = 18,223.60 : x
  2. Step 2: Convert to fraction form
    51,503.68/77,290.12 = 18,223.60/x
  3. Step 3: Cross multiply
    51,503.68x = 77,290.12 × 18,223.60
  4. Step 4: Simplify right side
    51,503.68x = 1,408,504,230.83
  5. Step 5: Solve for x
    x = 1,408,504,230.83/51,503.68
  6. Step 6: Final answer
    x = 27,347.64

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1.5x scale

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.