Home / 53,428.23-73,725.98-29,554.38

Finding the Fourth Proportional to 53,428.23, 73,725.98 and 29,554.38

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Solution

The fourth proportional to 53,428.23, 73,725.98 and 29,554.38 is: 40,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.23 : 73,725.98 = 29,554.38 : x
  2. Step 2: Convert to fraction form
    53,428.23/73,725.98 = 29,554.38/x
  3. Step 3: Cross multiply
    53,428.23x = 73,725.98 × 29,554.38
  4. Step 4: Simplify right side
    53,428.23x = 2,178,925,481.02
  5. Step 5: Solve for x
    x = 2,178,925,481.02/53,428.23
  6. Step 6: Final answer
    x = 40,782.29

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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.