Home / 43,742.40-65,613.60-41,438.40

Finding the Fourth Proportional to 43,742.40, 65,613.60 and 41,438.40

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Solution

The fourth proportional to 43,742.40, 65,613.60 and 41,438.40 is: 62,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,742.40 : 65,613.60 = 41,438.40 : x
  2. Step 2: Convert to fraction form
    43,742.40/65,613.60 = 41,438.40/x
  3. Step 3: Cross multiply
    43,742.40x = 65,613.60 × 41,438.40
  4. Step 4: Simplify right side
    43,742.40x = 2,718,922,602.24
  5. Step 5: Solve for x
    x = 2,718,922,602.24/43,742.40
  6. Step 6: Final answer
    x = 62,157.60

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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.