Home / 43,381.42-65,071.32-13,801.30

Finding the Fourth Proportional to 43,381.42, 65,071.32 and 13,801.30

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Solution

The fourth proportional to 43,381.42, 65,071.32 and 13,801.30 is: 20,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,381.42 : 65,071.32 = 13,801.30 : x
  2. Step 2: Convert to fraction form
    43,381.42/65,071.32 = 13,801.30/x
  3. Step 3: Cross multiply
    43,381.42x = 65,071.32 × 13,801.30
  4. Step 4: Simplify right side
    43,381.42x = 898,068,808.72
  5. Step 5: Solve for x
    x = 898,068,808.72/43,381.42
  6. Step 6: Final answer
    x = 20,701.69

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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.