Home / 43,625.08-65,428.62-12,453.40

Finding the Fourth Proportional to 43,625.08, 65,428.62 and 12,453.40

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Solution

The fourth proportional to 43,625.08, 65,428.62 and 12,453.40 is: 18,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.08 : 65,428.62 = 12,453.40 : x
  2. Step 2: Convert to fraction form
    43,625.08/65,428.62 = 12,453.40/x
  3. Step 3: Cross multiply
    43,625.08x = 65,428.62 × 12,453.40
  4. Step 4: Simplify right side
    43,625.08x = 814,808,776.31
  5. Step 5: Solve for x
    x = 814,808,776.31/43,625.08
  6. Step 6: Final answer
    x = 18,677.53

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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.