Home / 63,643.14-87,825.20-35,350.65

Finding the Fourth Proportional to 63,643.14, 87,825.20 and 35,350.65

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Solution

The fourth proportional to 63,643.14, 87,825.20 and 35,350.65 is: 48,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.14 : 87,825.20 = 35,350.65 : x
  2. Step 2: Convert to fraction form
    63,643.14/87,825.20 = 35,350.65/x
  3. Step 3: Cross multiply
    63,643.14x = 87,825.20 × 35,350.65
  4. Step 4: Simplify right side
    63,643.14x = 3,104,677,729.63
  5. Step 5: Solve for x
    x = 3,104,677,729.63/63,643.14
  6. Step 6: Final answer
    x = 48,782.60

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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.