Home / 43,431.28-65,156.49-24,720.13

Finding the Fourth Proportional to 43,431.28, 65,156.49 and 24,720.13

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Solution

The fourth proportional to 43,431.28, 65,156.49 and 24,720.13 is: 37,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.28 : 65,156.49 = 24,720.13 : x
  2. Step 2: Convert to fraction form
    43,431.28/65,156.49 = 24,720.13/x
  3. Step 3: Cross multiply
    43,431.28x = 65,156.49 × 24,720.13
  4. Step 4: Simplify right side
    43,431.28x = 1,610,676,903.14
  5. Step 5: Solve for x
    x = 1,610,676,903.14/43,431.28
  6. Step 6: Final answer
    x = 37,085.64

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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.