Home / 43,435.13-65,152.69-12,271.19

Finding the Fourth Proportional to 43,435.13, 65,152.69 and 12,271.19

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Solution

The fourth proportional to 43,435.13, 65,152.69 and 12,271.19 is: 18,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,435.13 : 65,152.69 = 12,271.19 : x
  2. Step 2: Convert to fraction form
    43,435.13/65,152.69 = 12,271.19/x
  3. Step 3: Cross multiply
    43,435.13x = 65,152.69 × 12,271.19
  4. Step 4: Simplify right side
    43,435.13x = 799,500,681.56
  5. Step 5: Solve for x
    x = 799,500,681.56/43,435.13
  6. Step 6: Final answer
    x = 18,406.78

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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.