Home / 45,467.40-68,211.99-14,302.65

Finding the Fourth Proportional to 45,467.40, 68,211.99 and 14,302.65

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Solution

The fourth proportional to 45,467.40, 68,211.99 and 14,302.65 is: 21,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,467.40 : 68,211.99 = 14,302.65 : x
  2. Step 2: Convert to fraction form
    45,467.40/68,211.99 = 14,302.65/x
  3. Step 3: Cross multiply
    45,467.40x = 68,211.99 × 14,302.65
  4. Step 4: Simplify right side
    45,467.40x = 975,612,218.77
  5. Step 5: Solve for x
    x = 975,612,218.77/45,467.40
  6. Step 6: Final answer
    x = 21,457.40

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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.