Home / 35,821.68-49,430.16-19,903.56

Finding the Fourth Proportional to 35,821.68, 49,430.16 and 19,903.56

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Solution

The fourth proportional to 35,821.68, 49,430.16 and 19,903.56 is: 27,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.68 : 49,430.16 = 19,903.56 : x
  2. Step 2: Convert to fraction form
    35,821.68/49,430.16 = 19,903.56/x
  3. Step 3: Cross multiply
    35,821.68x = 49,430.16 × 19,903.56
  4. Step 4: Simplify right side
    35,821.68x = 983,836,155.37
  5. Step 5: Solve for x
    x = 983,836,155.37/35,821.68
  6. Step 6: Final answer
    x = 27,464.82

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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.