Home / 36,269.18-54,370.93-12,890.15

Finding the Fourth Proportional to 36,269.18, 54,370.93 and 12,890.15

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Solution

The fourth proportional to 36,269.18, 54,370.93 and 12,890.15 is: 19,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269.18 : 54,370.93 = 12,890.15 : x
  2. Step 2: Convert to fraction form
    36,269.18/54,370.93 = 12,890.15/x
  3. Step 3: Cross multiply
    36,269.18x = 54,370.93 × 12,890.15
  4. Step 4: Simplify right side
    36,269.18x = 700,849,443.34
  5. Step 5: Solve for x
    x = 700,849,443.34/36,269.18
  6. Step 6: Final answer
    x = 19,323.55

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1.5x scale

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.