Home / 35,917.16-53,900.32-12,543.60

Finding the Fourth Proportional to 35,917.16, 53,900.32 and 12,543.60

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Solution

The fourth proportional to 35,917.16, 53,900.32 and 12,543.60 is: 18,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.16 : 53,900.32 = 12,543.60 : x
  2. Step 2: Convert to fraction form
    35,917.16/53,900.32 = 12,543.60/x
  3. Step 3: Cross multiply
    35,917.16x = 53,900.32 × 12,543.60
  4. Step 4: Simplify right side
    35,917.16x = 676,104,053.95
  5. Step 5: Solve for x
    x = 676,104,053.95/35,917.16
  6. Step 6: Final answer
    x = 18,823.98

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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.