Home / 40,999.62-61,501.04-11,420.04

Finding the Fourth Proportional to 40,999.62, 61,501.04 and 11,420.04

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Solution

The fourth proportional to 40,999.62, 61,501.04 and 11,420.04 is: 17,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.62 : 61,501.04 = 11,420.04 : x
  2. Step 2: Convert to fraction form
    40,999.62/61,501.04 = 11,420.04/x
  3. Step 3: Cross multiply
    40,999.62x = 61,501.04 × 11,420.04
  4. Step 4: Simplify right side
    40,999.62x = 702,344,057.89
  5. Step 5: Solve for x
    x = 702,344,057.89/40,999.62
  6. Step 6: Final answer
    x = 17,130.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.