Home / 45,622.79-68,436.61-14,460.47

Finding the Fourth Proportional to 45,622.79, 68,436.61 and 14,460.47

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Solution

The fourth proportional to 45,622.79, 68,436.61 and 14,460.47 is: 21,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.79 : 68,436.61 = 14,460.47 : x
  2. Step 2: Convert to fraction form
    45,622.79/68,436.61 = 14,460.47/x
  3. Step 3: Cross multiply
    45,622.79x = 68,436.61 × 14,460.47
  4. Step 4: Simplify right side
    45,622.79x = 989,625,167.47
  5. Step 5: Solve for x
    x = 989,625,167.47/45,622.79
  6. Step 6: Final answer
    x = 21,691.47

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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.