Home / 30,529.72-42,135.32-22,059.28

Finding the Fourth Proportional to 30,529.72, 42,135.32 and 22,059.28

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Solution

The fourth proportional to 30,529.72, 42,135.32 and 22,059.28 is: 30,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.72 : 42,135.32 = 22,059.28 : x
  2. Step 2: Convert to fraction form
    30,529.72/42,135.32 = 22,059.28/x
  3. Step 3: Cross multiply
    30,529.72x = 42,135.32 × 22,059.28
  4. Step 4: Simplify right side
    30,529.72x = 929,474,821.77
  5. Step 5: Solve for x
    x = 929,474,821.77/30,529.72
  6. Step 6: Final answer
    x = 30,444.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.