Home / 35,945.64-53,869.86-28,156.68

Finding the Fourth Proportional to 35,945.64, 53,869.86 and 28,156.68

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Solution

The fourth proportional to 35,945.64, 53,869.86 and 28,156.68 is: 42,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,945.64 : 53,869.86 = 28,156.68 : x
  2. Step 2: Convert to fraction form
    35,945.64/53,869.86 = 28,156.68/x
  3. Step 3: Cross multiply
    35,945.64x = 53,869.86 × 28,156.68
  4. Step 4: Simplify right side
    35,945.64x = 1,516,796,409.66
  5. Step 5: Solve for x
    x = 1,516,796,409.66/35,945.64
  6. Step 6: Final answer
    x = 42,196.95

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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.