Home / 53,790.72-74,229.34-29,916.92

Finding the Fourth Proportional to 53,790.72, 74,229.34 and 29,916.92

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Solution

The fourth proportional to 53,790.72, 74,229.34 and 29,916.92 is: 41,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.72 : 74,229.34 = 29,916.92 : x
  2. Step 2: Convert to fraction form
    53,790.72/74,229.34 = 29,916.92/x
  3. Step 3: Cross multiply
    53,790.72x = 74,229.34 × 29,916.92
  4. Step 4: Simplify right side
    53,790.72x = 2,220,713,226.43
  5. Step 5: Solve for x
    x = 2,220,713,226.43/53,790.72
  6. Step 6: Final answer
    x = 41,284.32

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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.