Home / 43,776.79-60,387.66-28,693.78

Finding the Fourth Proportional to 43,776.79, 60,387.66 and 28,693.78

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Solution

The fourth proportional to 43,776.79, 60,387.66 and 28,693.78 is: 39,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776.79 : 60,387.66 = 28,693.78 : x
  2. Step 2: Convert to fraction form
    43,776.79/60,387.66 = 28,693.78/x
  3. Step 3: Cross multiply
    43,776.79x = 60,387.66 × 28,693.78
  4. Step 4: Simplify right side
    43,776.79x = 1,732,750,079.79
  5. Step 5: Solve for x
    x = 1,732,750,079.79/43,776.79
  6. Step 6: Final answer
    x = 39,581.48

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1.5x scale

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.