Home / 35,420.51-48,880.23-19,287.56

Finding the Fourth Proportional to 35,420.51, 48,880.23 and 19,287.56

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Solution

The fourth proportional to 35,420.51, 48,880.23 and 19,287.56 is: 26,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.51 : 48,880.23 = 19,287.56 : x
  2. Step 2: Convert to fraction form
    35,420.51/48,880.23 = 19,287.56/x
  3. Step 3: Cross multiply
    35,420.51x = 48,880.23 × 19,287.56
  4. Step 4: Simplify right side
    35,420.51x = 942,780,418.81
  5. Step 5: Solve for x
    x = 942,780,418.81/35,420.51
  6. Step 6: Final answer
    x = 26,616.79

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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.