Home / 30,973.01-46,459.50-13,442.45

Finding the Fourth Proportional to 30,973.01, 46,459.50 and 13,442.45

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Solution

The fourth proportional to 30,973.01, 46,459.50 and 13,442.45 is: 20,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.01 : 46,459.50 = 13,442.45 : x
  2. Step 2: Convert to fraction form
    30,973.01/46,459.50 = 13,442.45/x
  3. Step 3: Cross multiply
    30,973.01x = 46,459.50 × 13,442.45
  4. Step 4: Simplify right side
    30,973.01x = 624,529,273.48
  5. Step 5: Solve for x
    x = 624,529,273.48/30,973.01
  6. Step 6: Final answer
    x = 20,163.66

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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.