Home / 43,504.96-65,262.18-13,915.84

Finding the Fourth Proportional to 43,504.96, 65,262.18 and 13,915.84

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Solution

The fourth proportional to 43,504.96, 65,262.18 and 13,915.84 is: 20,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,504.96 : 65,262.18 = 13,915.84 : x
  2. Step 2: Convert to fraction form
    43,504.96/65,262.18 = 13,915.84/x
  3. Step 3: Cross multiply
    43,504.96x = 65,262.18 × 13,915.84
  4. Step 4: Simplify right side
    43,504.96x = 908,178,054.93
  5. Step 5: Solve for x
    x = 908,178,054.93/43,504.96
  6. Step 6: Final answer
    x = 20,875.28

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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.