Home / 45,623.04-68,436.98-14,460.72

Finding the Fourth Proportional to 45,623.04, 68,436.98 and 14,460.72

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Solution

The fourth proportional to 45,623.04, 68,436.98 and 14,460.72 is: 21,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.04 : 68,436.98 = 14,460.72 : x
  2. Step 2: Convert to fraction form
    45,623.04/68,436.98 = 14,460.72/x
  3. Step 3: Cross multiply
    45,623.04x = 68,436.98 × 14,460.72
  4. Step 4: Simplify right side
    45,623.04x = 989,648,005.43
  5. Step 5: Solve for x
    x = 989,648,005.43/45,623.04
  6. Step 6: Final answer
    x = 21,691.85

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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.