Home / 35,688.94-53,533.85-16,970.78

Finding the Fourth Proportional to 35,688.94, 53,533.85 and 16,970.78

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Solution

The fourth proportional to 35,688.94, 53,533.85 and 16,970.78 is: 25,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.94 : 53,533.85 = 16,970.78 : x
  2. Step 2: Convert to fraction form
    35,688.94/53,533.85 = 16,970.78/x
  3. Step 3: Cross multiply
    35,688.94x = 53,533.85 × 16,970.78
  4. Step 4: Simplify right side
    35,688.94x = 908,511,239.88
  5. Step 5: Solve for x
    x = 908,511,239.88/35,688.94
  6. Step 6: Final answer
    x = 25,456.38

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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.