Home / 45,614.23-68,421.35-36,438.55

Finding the Fourth Proportional to 45,614.23, 68,421.35 and 36,438.55

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Solution

The fourth proportional to 45,614.23, 68,421.35 and 36,438.55 is: 54,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,614.23 : 68,421.35 = 36,438.55 : x
  2. Step 2: Convert to fraction form
    45,614.23/68,421.35 = 36,438.55/x
  3. Step 3: Cross multiply
    45,614.23x = 68,421.35 × 36,438.55
  4. Step 4: Simplify right side
    45,614.23x = 2,493,174,783.04
  5. Step 5: Solve for x
    x = 2,493,174,783.04/45,614.23
  6. Step 6: Final answer
    x = 54,657.83

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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.