Home / 20,307.46-30,468.48-14,751.40

Finding the Fourth Proportional to 20,307.46, 30,468.48 and 14,751.40

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Solution

The fourth proportional to 20,307.46, 30,468.48 and 14,751.40 is: 22,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.46 : 30,468.48 = 14,751.40 : x
  2. Step 2: Convert to fraction form
    20,307.46/30,468.48 = 14,751.40/x
  3. Step 3: Cross multiply
    20,307.46x = 30,468.48 × 14,751.40
  4. Step 4: Simplify right side
    20,307.46x = 449,452,735.87
  5. Step 5: Solve for x
    x = 449,452,735.87/20,307.46
  6. Step 6: Final answer
    x = 22,132.40

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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.