Home / 29,904.72-40,969.65-28,783.68

Finding the Fourth Proportional to 29,904.72, 40,969.65 and 28,783.68

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Solution

The fourth proportional to 29,904.72, 40,969.65 and 28,783.68 is: 39,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,904.72 : 40,969.65 = 28,783.68 : x
  2. Step 2: Convert to fraction form
    29,904.72/40,969.65 = 28,783.68/x
  3. Step 3: Cross multiply
    29,904.72x = 40,969.65 × 28,783.68
  4. Step 4: Simplify right side
    29,904.72x = 1,179,257,295.31
  5. Step 5: Solve for x
    x = 1,179,257,295.31/29,904.72
  6. Step 6: Final answer
    x = 39,433.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.