Home / 48,465.63-72,644.67-20,377.35

Finding the Fourth Proportional to 48,465.63, 72,644.67 and 20,377.35

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Solution

The fourth proportional to 48,465.63, 72,644.67 and 20,377.35 is: 30,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.63 : 72,644.67 = 20,377.35 : x
  2. Step 2: Convert to fraction form
    48,465.63/72,644.67 = 20,377.35/x
  3. Step 3: Cross multiply
    48,465.63x = 72,644.67 × 20,377.35
  4. Step 4: Simplify right side
    48,465.63x = 1,480,305,866.22
  5. Step 5: Solve for x
    x = 1,480,305,866.22/48,465.63
  6. Step 6: Final answer
    x = 30,543.42

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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.