Home / 43,715.42-65,586.90-15,634.79

Finding the Fourth Proportional to 43,715.42, 65,586.90 and 15,634.79

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Solution

The fourth proportional to 43,715.42, 65,586.90 and 15,634.79 is: 23,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715.42 : 65,586.90 = 15,634.79 : x
  2. Step 2: Convert to fraction form
    43,715.42/65,586.90 = 15,634.79/x
  3. Step 3: Cross multiply
    43,715.42x = 65,586.90 × 15,634.79
  4. Step 4: Simplify right side
    43,715.42x = 1,025,437,408.25
  5. Step 5: Solve for x
    x = 1,025,437,408.25/43,715.42
  6. Step 6: Final answer
    x = 23,457.11

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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.