Home / 35,750.18-49,342.43-20,645.30

Finding the Fourth Proportional to 35,750.18, 49,342.43 and 20,645.30

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Solution

The fourth proportional to 35,750.18, 49,342.43 and 20,645.30 is: 28,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.18 : 49,342.43 = 20,645.30 : x
  2. Step 2: Convert to fraction form
    35,750.18/49,342.43 = 20,645.30/x
  3. Step 3: Cross multiply
    35,750.18x = 49,342.43 × 20,645.30
  4. Step 4: Simplify right side
    35,750.18x = 1,018,689,445.05
  5. Step 5: Solve for x
    x = 1,018,689,445.05/35,750.18
  6. Step 6: Final answer
    x = 28,494.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.