Home / 53,653.22-74,040.90-29,780.10

Finding the Fourth Proportional to 53,653.22, 74,040.90 and 29,780.10

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Solution

The fourth proportional to 53,653.22, 74,040.90 and 29,780.10 is: 41,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.22 : 74,040.90 = 29,780.10 : x
  2. Step 2: Convert to fraction form
    53,653.22/74,040.90 = 29,780.10/x
  3. Step 3: Cross multiply
    53,653.22x = 74,040.90 × 29,780.10
  4. Step 4: Simplify right side
    53,653.22x = 2,204,945,406.09
  5. Step 5: Solve for x
    x = 2,204,945,406.09/53,653.22
  6. Step 6: Final answer
    x = 41,096.24

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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.