Home / 30,795.67-42,498.09-16,648.57

Finding the Fourth Proportional to 30,795.67, 42,498.09 and 16,648.57

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Solution

The fourth proportional to 30,795.67, 42,498.09 and 16,648.57 is: 22,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795.67 : 42,498.09 = 16,648.57 : x
  2. Step 2: Convert to fraction form
    30,795.67/42,498.09 = 16,648.57/x
  3. Step 3: Cross multiply
    30,795.67x = 42,498.09 × 16,648.57
  4. Step 4: Simplify right side
    30,795.67x = 707,532,130.50
  5. Step 5: Solve for x
    x = 707,532,130.50/30,795.67
  6. Step 6: Final answer
    x = 22,975.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.