Home / 30,302.67-41,802.03-17,720.13

Finding the Fourth Proportional to 30,302.67, 41,802.03 and 17,720.13

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Solution

The fourth proportional to 30,302.67, 41,802.03 and 17,720.13 is: 24,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.67 : 41,802.03 = 17,720.13 : x
  2. Step 2: Convert to fraction form
    30,302.67/41,802.03 = 17,720.13/x
  3. Step 3: Cross multiply
    30,302.67x = 41,802.03 × 17,720.13
  4. Step 4: Simplify right side
    30,302.67x = 740,737,405.86
  5. Step 5: Solve for x
    x = 740,737,405.86/30,302.67
  6. Step 6: Final answer
    x = 24,444.63

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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.