Home / 37,271.70-55,907.55-12,315.60

Finding the Fourth Proportional to 37,271.70, 55,907.55 and 12,315.60

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Solution

The fourth proportional to 37,271.70, 55,907.55 and 12,315.60 is: 18,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.70 : 55,907.55 = 12,315.60 : x
  2. Step 2: Convert to fraction form
    37,271.70/55,907.55 = 12,315.60/x
  3. Step 3: Cross multiply
    37,271.70x = 55,907.55 × 12,315.60
  4. Step 4: Simplify right side
    37,271.70x = 688,535,022.78
  5. Step 5: Solve for x
    x = 688,535,022.78/37,271.70
  6. Step 6: Final answer
    x = 18,473.40

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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.