Home / 43,354.10-59,828.30-30,451.50

Finding the Fourth Proportional to 43,354.10, 59,828.30 and 30,451.50

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Solution

The fourth proportional to 43,354.10, 59,828.30 and 30,451.50 is: 42,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.10 : 59,828.30 = 30,451.50 : x
  2. Step 2: Convert to fraction form
    43,354.10/59,828.30 = 30,451.50/x
  3. Step 3: Cross multiply
    43,354.10x = 59,828.30 × 30,451.50
  4. Step 4: Simplify right side
    43,354.10x = 1,821,861,477.45
  5. Step 5: Solve for x
    x = 1,821,861,477.45/43,354.10
  6. Step 6: Final answer
    x = 42,022.82

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Why These Related Problems?

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