Home / 30,148.67-41,605.16-16,721.98

Finding the Fourth Proportional to 30,148.67, 41,605.16 and 16,721.98

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Solution

The fourth proportional to 30,148.67, 41,605.16 and 16,721.98 is: 23,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.67 : 41,605.16 = 16,721.98 : x
  2. Step 2: Convert to fraction form
    30,148.67/41,605.16 = 16,721.98/x
  3. Step 3: Cross multiply
    30,148.67x = 41,605.16 × 16,721.98
  4. Step 4: Simplify right side
    30,148.67x = 695,720,465.79
  5. Step 5: Solve for x
    x = 695,720,465.79/30,148.67
  6. Step 6: Final answer
    x = 23,076.32

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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.