Home / 63,421.85-95,133.72-30,145.34

Finding the Fourth Proportional to 63,421.85, 95,133.72 and 30,145.34

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Solution

The fourth proportional to 63,421.85, 95,133.72 and 30,145.34 is: 45,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.85 : 95,133.72 = 30,145.34 : x
  2. Step 2: Convert to fraction form
    63,421.85/95,133.72 = 30,145.34/x
  3. Step 3: Cross multiply
    63,421.85x = 95,133.72 × 30,145.34
  4. Step 4: Simplify right side
    63,421.85x = 2,867,838,334.86
  5. Step 5: Solve for x
    x = 2,867,838,334.86/63,421.85
  6. Step 6: Final answer
    x = 45,218.46

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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.