Home / 35,319.20-48,740.80-19,403.24

Finding the Fourth Proportional to 35,319.20, 48,740.80 and 19,403.24

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Solution

The fourth proportional to 35,319.20, 48,740.80 and 19,403.24 is: 26,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.20 : 48,740.80 = 19,403.24 : x
  2. Step 2: Convert to fraction form
    35,319.20/48,740.80 = 19,403.24/x
  3. Step 3: Cross multiply
    35,319.20x = 48,740.80 × 19,403.24
  4. Step 4: Simplify right side
    35,319.20x = 945,729,440.19
  5. Step 5: Solve for x
    x = 945,729,440.19/35,319.20
  6. Step 6: Final answer
    x = 26,776.64

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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.