Home / 53,790.84-80,513.73-28,768.32

Finding the Fourth Proportional to 53,790.84, 80,513.73 and 28,768.32

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Solution

The fourth proportional to 53,790.84, 80,513.73 and 28,768.32 is: 43,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.84 : 80,513.73 = 28,768.32 : x
  2. Step 2: Convert to fraction form
    53,790.84/80,513.73 = 28,768.32/x
  3. Step 3: Cross multiply
    53,790.84x = 80,513.73 × 28,768.32
  4. Step 4: Simplify right side
    53,790.84x = 2,316,244,749.03
  5. Step 5: Solve for x
    x = 2,316,244,749.03/53,790.84
  6. Step 6: Final answer
    x = 43,060.21

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1.5x scale

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.