Home / 30,078.18-45,091.35-14,506.74

Finding the Fourth Proportional to 30,078.18, 45,091.35 and 14,506.74

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Solution

The fourth proportional to 30,078.18, 45,091.35 and 14,506.74 is: 21,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.18 : 45,091.35 = 14,506.74 : x
  2. Step 2: Convert to fraction form
    30,078.18/45,091.35 = 14,506.74/x
  3. Step 3: Cross multiply
    30,078.18x = 45,091.35 × 14,506.74
  4. Step 4: Simplify right side
    30,078.18x = 654,128,490.70
  5. Step 5: Solve for x
    x = 654,128,490.70/30,078.18
  6. Step 6: Final answer
    x = 21,747.61

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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.