Home / 33,075.81-49,612.50-8,115.93

Finding the Fourth Proportional to 33,075.81, 49,612.50 and 8,115.93

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Solution

The fourth proportional to 33,075.81, 49,612.50 and 8,115.93 is: 12,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.81 : 49,612.50 = 8,115.93 : x
  2. Step 2: Convert to fraction form
    33,075.81/49,612.50 = 8,115.93/x
  3. Step 3: Cross multiply
    33,075.81x = 49,612.50 × 8,115.93
  4. Step 4: Simplify right side
    33,075.81x = 402,651,577.13
  5. Step 5: Solve for x
    x = 402,651,577.13/33,075.81
  6. Step 6: Final answer
    x = 12,173.60

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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.