Home / 30,611.86-45,874.59-13,075.54

Finding the Fourth Proportional to 30,611.86, 45,874.59 and 13,075.54

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Solution

The fourth proportional to 30,611.86, 45,874.59 and 13,075.54 is: 19,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.86 : 45,874.59 = 13,075.54 : x
  2. Step 2: Convert to fraction form
    30,611.86/45,874.59 = 13,075.54/x
  3. Step 3: Cross multiply
    30,611.86x = 45,874.59 × 13,075.54
  4. Step 4: Simplify right side
    30,611.86x = 599,835,036.53
  5. Step 5: Solve for x
    x = 599,835,036.53/30,611.86
  6. Step 6: Final answer
    x = 19,594.86

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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.