Home / 30,890.43-42,628.34-17,461.22

Finding the Fourth Proportional to 30,890.43, 42,628.34 and 17,461.22

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Solution

The fourth proportional to 30,890.43, 42,628.34 and 17,461.22 is: 24,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.43 : 42,628.34 = 17,461.22 : x
  2. Step 2: Convert to fraction form
    30,890.43/42,628.34 = 17,461.22/x
  3. Step 3: Cross multiply
    30,890.43x = 42,628.34 × 17,461.22
  4. Step 4: Simplify right side
    30,890.43x = 744,342,522.53
  5. Step 5: Solve for x
    x = 744,342,522.53/30,890.43
  6. Step 6: Final answer
    x = 24,096.21

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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.