Home / 43,322.22-64,985.64-13,742.41

Finding the Fourth Proportional to 43,322.22, 64,985.64 and 13,742.41

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Solution

The fourth proportional to 43,322.22, 64,985.64 and 13,742.41 is: 20,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.22 : 64,985.64 = 13,742.41 : x
  2. Step 2: Convert to fraction form
    43,322.22/64,985.64 = 13,742.41/x
  3. Step 3: Cross multiply
    43,322.22x = 64,985.64 × 13,742.41
  4. Step 4: Simplify right side
    43,322.22x = 893,059,308.99
  5. Step 5: Solve for x
    x = 893,059,308.99/43,322.22
  6. Step 6: Final answer
    x = 20,614.35

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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.