Home / 30,433.34-45,567.99-19,877.22

Finding the Fourth Proportional to 30,433.34, 45,567.99 and 19,877.22

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Solution

The fourth proportional to 30,433.34, 45,567.99 and 19,877.22 is: 29,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.34 : 45,567.99 = 19,877.22 : x
  2. Step 2: Convert to fraction form
    30,433.34/45,567.99 = 19,877.22/x
  3. Step 3: Cross multiply
    30,433.34x = 45,567.99 × 19,877.22
  4. Step 4: Simplify right side
    30,433.34x = 905,764,962.19
  5. Step 5: Solve for x
    x = 905,764,962.19/30,433.34
  6. Step 6: Final answer
    x = 29,762.26

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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.