Home / 35,825.47-49,438.79-19,909.60

Finding the Fourth Proportional to 35,825.47, 49,438.79 and 19,909.60

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Solution

The fourth proportional to 35,825.47, 49,438.79 and 19,909.60 is: 27,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.47 : 49,438.79 = 19,909.60 : x
  2. Step 2: Convert to fraction form
    35,825.47/49,438.79 = 19,909.60/x
  3. Step 3: Cross multiply
    35,825.47x = 49,438.79 × 19,909.60
  4. Step 4: Simplify right side
    35,825.47x = 984,306,384.90
  5. Step 5: Solve for x
    x = 984,306,384.90/35,825.47
  6. Step 6: Final answer
    x = 27,475.05

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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.