Home / 34,790.18-47,988.60-20,633

Finding the Fourth Proportional to 34,790.18, 47,988.60 and 20,633

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Solution

The fourth proportional to 34,790.18, 47,988.60 and 20,633 is: 28,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790.18 : 47,988.60 = 20,633 : x
  2. Step 2: Convert to fraction form
    34,790.18/47,988.60 = 20,633/x
  3. Step 3: Cross multiply
    34,790.18x = 47,988.60 × 20,633
  4. Step 4: Simplify right side
    34,790.18x = 990,148,783.80
  5. Step 5: Solve for x
    x = 990,148,783.80/34,790.18
  6. Step 6: Final answer
    x = 28,460.58

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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.