Home / 52,016.45-71,783.28-28,143.59

Finding the Fourth Proportional to 52,016.45, 71,783.28 and 28,143.59

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Solution

The fourth proportional to 52,016.45, 71,783.28 and 28,143.59 is: 38,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.45 : 71,783.28 = 28,143.59 : x
  2. Step 2: Convert to fraction form
    52,016.45/71,783.28 = 28,143.59/x
  3. Step 3: Cross multiply
    52,016.45x = 71,783.28 × 28,143.59
  4. Step 4: Simplify right side
    52,016.45x = 2,020,238,842.26
  5. Step 5: Solve for x
    x = 2,020,238,842.26/52,016.45
  6. Step 6: Final answer
    x = 38,838.46

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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.