Home / 43,068.78-64,603.44-13,484.34

Finding the Fourth Proportional to 43,068.78, 64,603.44 and 13,484.34

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Solution

The fourth proportional to 43,068.78, 64,603.44 and 13,484.34 is: 20,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.78 : 64,603.44 = 13,484.34 : x
  2. Step 2: Convert to fraction form
    43,068.78/64,603.44 = 13,484.34/x
  3. Step 3: Cross multiply
    43,068.78x = 64,603.44 × 13,484.34
  4. Step 4: Simplify right side
    43,068.78x = 871,134,750.13
  5. Step 5: Solve for x
    x = 871,134,750.13/43,068.78
  6. Step 6: Final answer
    x = 20,226.59

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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.