Home / 63,645.23-87,820.65-36,782.55

Finding the Fourth Proportional to 63,645.23, 87,820.65 and 36,782.55

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Solution

The fourth proportional to 63,645.23, 87,820.65 and 36,782.55 is: 50,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.23 : 87,820.65 = 36,782.55 : x
  2. Step 2: Convert to fraction form
    63,645.23/87,820.65 = 36,782.55/x
  3. Step 3: Cross multiply
    63,645.23x = 87,820.65 × 36,782.55
  4. Step 4: Simplify right side
    63,645.23x = 3,230,267,449.66
  5. Step 5: Solve for x
    x = 3,230,267,449.66/63,645.23
  6. Step 6: Final answer
    x = 50,754.27

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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.