Home / 35,405.04-53,115.48-16,685.28

Finding the Fourth Proportional to 35,405.04, 53,115.48 and 16,685.28

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Solution

The fourth proportional to 35,405.04, 53,115.48 and 16,685.28 is: 25,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.04 : 53,115.48 = 16,685.28 : x
  2. Step 2: Convert to fraction form
    35,405.04/53,115.48 = 16,685.28/x
  3. Step 3: Cross multiply
    35,405.04x = 53,115.48 × 16,685.28
  4. Step 4: Simplify right side
    35,405.04x = 886,246,656.13
  5. Step 5: Solve for x
    x = 886,246,656.13/35,405.04
  6. Step 6: Final answer
    x = 25,031.65

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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.