Home / 39,999.14-59,998.70-10,416.88

Finding the Fourth Proportional to 39,999.14, 59,998.70 and 10,416.88

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Solution

The fourth proportional to 39,999.14, 59,998.70 and 10,416.88 is: 15,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.14 : 59,998.70 = 10,416.88 : x
  2. Step 2: Convert to fraction form
    39,999.14/59,998.70 = 10,416.88/x
  3. Step 3: Cross multiply
    39,999.14x = 59,998.70 × 10,416.88
  4. Step 4: Simplify right side
    39,999.14x = 624,999,134.10
  5. Step 5: Solve for x
    x = 624,999,134.10/39,999.14
  6. Step 6: Final answer
    x = 15,625.32

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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.