Home / 53,891.36-74,310.64-36,898.40

Finding the Fourth Proportional to 53,891.36, 74,310.64 and 36,898.40

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Solution

The fourth proportional to 53,891.36, 74,310.64 and 36,898.40 is: 50,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.36 : 74,310.64 = 36,898.40 : x
  2. Step 2: Convert to fraction form
    53,891.36/74,310.64 = 36,898.40/x
  3. Step 3: Cross multiply
    53,891.36x = 74,310.64 × 36,898.40
  4. Step 4: Simplify right side
    53,891.36x = 2,741,943,718.98
  5. Step 5: Solve for x
    x = 2,741,943,718.98/53,891.36
  6. Step 6: Final answer
    x = 50,879.10

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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.