Home / 35,741.60-53,612.79-10,781.86

Finding the Fourth Proportional to 35,741.60, 53,612.79 and 10,781.86

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Solution

The fourth proportional to 35,741.60, 53,612.79 and 10,781.86 is: 16,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.60 : 53,612.79 = 10,781.86 : x
  2. Step 2: Convert to fraction form
    35,741.60/53,612.79 = 10,781.86/x
  3. Step 3: Cross multiply
    35,741.60x = 53,612.79 × 10,781.86
  4. Step 4: Simplify right side
    35,741.60x = 578,045,742.50
  5. Step 5: Solve for x
    x = 578,045,742.50/35,741.60
  6. Step 6: Final answer
    x = 16,172.91

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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.