Home / 53,675.28-74,072.40-29,474.64

Finding the Fourth Proportional to 53,675.28, 74,072.40 and 29,474.64

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Solution

The fourth proportional to 53,675.28, 74,072.40 and 29,474.64 is: 40,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.28 : 74,072.40 = 29,474.64 : x
  2. Step 2: Convert to fraction form
    53,675.28/74,072.40 = 29,474.64/x
  3. Step 3: Cross multiply
    53,675.28x = 74,072.40 × 29,474.64
  4. Step 4: Simplify right side
    53,675.28x = 2,183,257,323.94
  5. Step 5: Solve for x
    x = 2,183,257,323.94/53,675.28
  6. Step 6: Final answer
    x = 40,675.29

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1.5x scale

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.