Home / 42,549.20-63,852.60-19,163.60

Finding the Fourth Proportional to 42,549.20, 63,852.60 and 19,163.60

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Solution

The fourth proportional to 42,549.20, 63,852.60 and 19,163.60 is: 28,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.20 : 63,852.60 = 19,163.60 : x
  2. Step 2: Convert to fraction form
    42,549.20/63,852.60 = 19,163.60/x
  3. Step 3: Cross multiply
    42,549.20x = 63,852.60 × 19,163.60
  4. Step 4: Simplify right side
    42,549.20x = 1,223,645,685.36
  5. Step 5: Solve for x
    x = 1,223,645,685.36/42,549.20
  6. Step 6: Final answer
    x = 28,758.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.