Home / 52,479.38-72,419.32-28,605.48

Finding the Fourth Proportional to 52,479.38, 72,419.32 and 28,605.48

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Solution

The fourth proportional to 52,479.38, 72,419.32 and 28,605.48 is: 39,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.38 : 72,419.32 = 28,605.48 : x
  2. Step 2: Convert to fraction form
    52,479.38/72,419.32 = 28,605.48/x
  3. Step 3: Cross multiply
    52,479.38x = 72,419.32 × 28,605.48
  4. Step 4: Simplify right side
    52,479.38x = 2,071,589,409.87
  5. Step 5: Solve for x
    x = 2,071,589,409.87/52,479.38
  6. Step 6: Final answer
    x = 39,474.35

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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.