Home / 43,729.43-65,594.10-12,564.68

Finding the Fourth Proportional to 43,729.43, 65,594.10 and 12,564.68

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Solution

The fourth proportional to 43,729.43, 65,594.10 and 12,564.68 is: 18,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.43 : 65,594.10 = 12,564.68 : x
  2. Step 2: Convert to fraction form
    43,729.43/65,594.10 = 12,564.68/x
  3. Step 3: Cross multiply
    43,729.43x = 65,594.10 × 12,564.68
  4. Step 4: Simplify right side
    43,729.43x = 824,168,876.39
  5. Step 5: Solve for x
    x = 824,168,876.39/43,729.43
  6. Step 6: Final answer
    x = 18,847.01

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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.