Home / 30,554.79-45,824.76-12,775.83

Finding the Fourth Proportional to 30,554.79, 45,824.76 and 12,775.83

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Solution

The fourth proportional to 30,554.79, 45,824.76 and 12,775.83 is: 19,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.79 : 45,824.76 = 12,775.83 : x
  2. Step 2: Convert to fraction form
    30,554.79/45,824.76 = 12,775.83/x
  3. Step 3: Cross multiply
    30,554.79x = 45,824.76 × 12,775.83
  4. Step 4: Simplify right side
    30,554.79x = 585,449,343.55
  5. Step 5: Solve for x
    x = 585,449,343.55/30,554.79
  6. Step 6: Final answer
    x = 19,160.64

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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.