Home / 53,295.36-79,943.40-25,509.12

Finding the Fourth Proportional to 53,295.36, 79,943.40 and 25,509.12

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Solution

The fourth proportional to 53,295.36, 79,943.40 and 25,509.12 is: 38,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.36 : 79,943.40 = 25,509.12 : x
  2. Step 2: Convert to fraction form
    53,295.36/79,943.40 = 25,509.12/x
  3. Step 3: Cross multiply
    53,295.36x = 79,943.40 × 25,509.12
  4. Step 4: Simplify right side
    53,295.36x = 2,039,285,783.81
  5. Step 5: Solve for x
    x = 2,039,285,783.81/53,295.36
  6. Step 6: Final answer
    x = 38,263.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.