Home / 63,538.12-87,686.58-36,685.54

Finding the Fourth Proportional to 63,538.12, 87,686.58 and 36,685.54

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Solution

The fourth proportional to 63,538.12, 87,686.58 and 36,685.54 is: 50,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.12 : 87,686.58 = 36,685.54 : x
  2. Step 2: Convert to fraction form
    63,538.12/87,686.58 = 36,685.54/x
  3. Step 3: Cross multiply
    63,538.12x = 87,686.58 × 36,685.54
  4. Step 4: Simplify right side
    63,538.12x = 3,216,829,538.05
  5. Step 5: Solve for x
    x = 3,216,829,538.05/63,538.12
  6. Step 6: Final answer
    x = 50,628.34

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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.