Home / 44,075.52-66,113.82-12,911.40

Finding the Fourth Proportional to 44,075.52, 66,113.82 and 12,911.40

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Solution

The fourth proportional to 44,075.52, 66,113.82 and 12,911.40 is: 19,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,075.52 : 66,113.82 = 12,911.40 : x
  2. Step 2: Convert to fraction form
    44,075.52/66,113.82 = 12,911.40/x
  3. Step 3: Cross multiply
    44,075.52x = 66,113.82 × 12,911.40
  4. Step 4: Simplify right side
    44,075.52x = 853,621,975.55
  5. Step 5: Solve for x
    x = 853,621,975.55/44,075.52
  6. Step 6: Final answer
    x = 19,367.26

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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.