Home / 30,516.21-45,763.68-14,503.86

Finding the Fourth Proportional to 30,516.21, 45,763.68 and 14,503.86

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Solution

The fourth proportional to 30,516.21, 45,763.68 and 14,503.86 is: 21,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.21 : 45,763.68 = 14,503.86 : x
  2. Step 2: Convert to fraction form
    30,516.21/45,763.68 = 14,503.86/x
  3. Step 3: Cross multiply
    30,516.21x = 45,763.68 × 14,503.86
  4. Step 4: Simplify right side
    30,516.21x = 663,750,007.80
  5. Step 5: Solve for x
    x = 663,750,007.80/30,516.21
  6. Step 6: Final answer
    x = 21,750.74

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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.