Home / 52,379.15-72,283.44-28,506.05

Finding the Fourth Proportional to 52,379.15, 72,283.44 and 28,506.05

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Solution

The fourth proportional to 52,379.15, 72,283.44 and 28,506.05 is: 39,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.15 : 72,283.44 = 28,506.05 : x
  2. Step 2: Convert to fraction form
    52,379.15/72,283.44 = 28,506.05/x
  3. Step 3: Cross multiply
    52,379.15x = 72,283.44 × 28,506.05
  4. Step 4: Simplify right side
    52,379.15x = 2,060,514,993.39
  5. Step 5: Solve for x
    x = 2,060,514,993.39/52,379.15
  6. Step 6: Final answer
    x = 39,338.46

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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.