Home / 43,497.95-65,236.30-13,909.67

Finding the Fourth Proportional to 43,497.95, 65,236.30 and 13,909.67

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Solution

The fourth proportional to 43,497.95, 65,236.30 and 13,909.67 is: 20,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,497.95 : 65,236.30 = 13,909.67 : x
  2. Step 2: Convert to fraction form
    43,497.95/65,236.30 = 13,909.67/x
  3. Step 3: Cross multiply
    43,497.95x = 65,236.30 × 13,909.67
  4. Step 4: Simplify right side
    43,497.95x = 907,415,044.07
  5. Step 5: Solve for x
    x = 907,415,044.07/43,497.95
  6. Step 6: Final answer
    x = 20,861.10

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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.