Home / 30,013.50-41,421.06-17,440.68

Finding the Fourth Proportional to 30,013.50, 41,421.06 and 17,440.68

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Solution

The fourth proportional to 30,013.50, 41,421.06 and 17,440.68 is: 24,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.50 : 41,421.06 = 17,440.68 : x
  2. Step 2: Convert to fraction form
    30,013.50/41,421.06 = 17,440.68/x
  3. Step 3: Cross multiply
    30,013.50x = 41,421.06 × 17,440.68
  4. Step 4: Simplify right side
    30,013.50x = 722,411,452.72
  5. Step 5: Solve for x
    x = 722,411,452.72/30,013.50
  6. Step 6: Final answer
    x = 24,069.55

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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.