Home / 50,311.80-75,466.44-12,871.98

Finding the Fourth Proportional to 50,311.80, 75,466.44 and 12,871.98

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Solution

The fourth proportional to 50,311.80, 75,466.44 and 12,871.98 is: 19,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.80 : 75,466.44 = 12,871.98 : x
  2. Step 2: Convert to fraction form
    50,311.80/75,466.44 = 12,871.98/x
  3. Step 3: Cross multiply
    50,311.80x = 75,466.44 × 12,871.98
  4. Step 4: Simplify right side
    50,311.80x = 971,402,506.35
  5. Step 5: Solve for x
    x = 971,402,506.35/50,311.80
  6. Step 6: Final answer
    x = 19,307.65

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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.