Home / 30,638.20-45,952.80-9,573.34

Finding the Fourth Proportional to 30,638.20, 45,952.80 and 9,573.34

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Solution

The fourth proportional to 30,638.20, 45,952.80 and 9,573.34 is: 14,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.20 : 45,952.80 = 9,573.34 : x
  2. Step 2: Convert to fraction form
    30,638.20/45,952.80 = 9,573.34/x
  3. Step 3: Cross multiply
    30,638.20x = 45,952.80 × 9,573.34
  4. Step 4: Simplify right side
    30,638.20x = 439,921,778.35
  5. Step 5: Solve for x
    x = 439,921,778.35/30,638.20
  6. Step 6: Final answer
    x = 14,358.60

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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.