Home / 20,323.48-30,475.50-8,630.32

Finding the Fourth Proportional to 20,323.48, 30,475.50 and 8,630.32

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Solution

The fourth proportional to 20,323.48, 30,475.50 and 8,630.32 is: 12,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.48 : 30,475.50 = 8,630.32 : x
  2. Step 2: Convert to fraction form
    20,323.48/30,475.50 = 8,630.32/x
  3. Step 3: Cross multiply
    20,323.48x = 30,475.50 × 8,630.32
  4. Step 4: Simplify right side
    20,323.48x = 263,013,317.16
  5. Step 5: Solve for x
    x = 263,013,317.16/20,323.48
  6. Step 6: Final answer
    x = 12,941.35

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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.