Home / 35,418.08-53,099.76-17,878.88

Finding the Fourth Proportional to 35,418.08, 53,099.76 and 17,878.88

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Solution

The fourth proportional to 35,418.08, 53,099.76 and 17,878.88 is: 26,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.08 : 53,099.76 = 17,878.88 : x
  2. Step 2: Convert to fraction form
    35,418.08/53,099.76 = 17,878.88/x
  3. Step 3: Cross multiply
    35,418.08x = 53,099.76 × 17,878.88
  4. Step 4: Simplify right side
    35,418.08x = 949,364,237.07
  5. Step 5: Solve for x
    x = 949,364,237.07/35,418.08
  6. Step 6: Final answer
    x = 26,804.51

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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.