Home / 37,075.20-55,620.90-12,116.40

Finding the Fourth Proportional to 37,075.20, 55,620.90 and 12,116.40

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Solution

The fourth proportional to 37,075.20, 55,620.90 and 12,116.40 is: 18,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.20 : 55,620.90 = 12,116.40 : x
  2. Step 2: Convert to fraction form
    37,075.20/55,620.90 = 12,116.40/x
  3. Step 3: Cross multiply
    37,075.20x = 55,620.90 × 12,116.40
  4. Step 4: Simplify right side
    37,075.20x = 673,925,072.76
  5. Step 5: Solve for x
    x = 673,925,072.76/37,075.20
  6. Step 6: Final answer
    x = 18,177.25

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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.