Home / 30,735.51-42,410.59-17,123.46

Finding the Fourth Proportional to 30,735.51, 42,410.59 and 17,123.46

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Solution

The fourth proportional to 30,735.51, 42,410.59 and 17,123.46 is: 23,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.51 : 42,410.59 = 17,123.46 : x
  2. Step 2: Convert to fraction form
    30,735.51/42,410.59 = 17,123.46/x
  3. Step 3: Cross multiply
    30,735.51x = 42,410.59 × 17,123.46
  4. Step 4: Simplify right side
    30,735.51x = 726,216,041.44
  5. Step 5: Solve for x
    x = 726,216,041.44/30,735.51
  6. Step 6: Final answer
    x = 23,627.92

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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.