Home / 42,906.20-64,359.30-29,784.20

Finding the Fourth Proportional to 42,906.20, 64,359.30 and 29,784.20

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Solution

The fourth proportional to 42,906.20, 64,359.30 and 29,784.20 is: 44,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.20 : 64,359.30 = 29,784.20 : x
  2. Step 2: Convert to fraction form
    42,906.20/64,359.30 = 29,784.20/x
  3. Step 3: Cross multiply
    42,906.20x = 64,359.30 × 29,784.20
  4. Step 4: Simplify right side
    42,906.20x = 1,916,890,263.06
  5. Step 5: Solve for x
    x = 1,916,890,263.06/42,906.20
  6. Step 6: Final answer
    x = 44,676.30

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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.