Home / 45,048.15-67,514.72-21,355.65

Finding the Fourth Proportional to 45,048.15, 67,514.72 and 21,355.65

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Solution

The fourth proportional to 45,048.15, 67,514.72 and 21,355.65 is: 32,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,048.15 : 67,514.72 = 21,355.65 : x
  2. Step 2: Convert to fraction form
    45,048.15/67,514.72 = 21,355.65/x
  3. Step 3: Cross multiply
    45,048.15x = 67,514.72 × 21,355.65
  4. Step 4: Simplify right side
    45,048.15x = 1,441,820,623.39
  5. Step 5: Solve for x
    x = 1,441,820,623.39/45,048.15
  6. Step 6: Final answer
    x = 32,006.21

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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.