Home / 35,135.16-48,502.86-20,790.48

Finding the Fourth Proportional to 35,135.16, 48,502.86 and 20,790.48

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Solution

The fourth proportional to 35,135.16, 48,502.86 and 20,790.48 is: 28,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.16 : 48,502.86 = 20,790.48 : x
  2. Step 2: Convert to fraction form
    35,135.16/48,502.86 = 20,790.48/x
  3. Step 3: Cross multiply
    35,135.16x = 48,502.86 × 20,790.48
  4. Step 4: Simplify right side
    35,135.16x = 1,008,397,740.77
  5. Step 5: Solve for x
    x = 1,008,397,740.77/35,135.16
  6. Step 6: Final answer
    x = 28,700.53

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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.