Home / 30,775.89-46,121.72-16,717.53

Finding the Fourth Proportional to 30,775.89, 46,121.72 and 16,717.53

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Solution

The fourth proportional to 30,775.89, 46,121.72 and 16,717.53 is: 25,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.89 : 46,121.72 = 16,717.53 : x
  2. Step 2: Convert to fraction form
    30,775.89/46,121.72 = 16,717.53/x
  3. Step 3: Cross multiply
    30,775.89x = 46,121.72 × 16,717.53
  4. Step 4: Simplify right side
    30,775.89x = 771,041,154.16
  5. Step 5: Solve for x
    x = 771,041,154.16/30,775.89
  6. Step 6: Final answer
    x = 25,053.42

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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.