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Finding the Fourth Proportional to 45,752.04, 68,613.48 and 14,580

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Solution

The fourth proportional to 45,752.04, 68,613.48 and 14,580 is: 21,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,752.04 : 68,613.48 = 14,580 : x
  2. Step 2: Convert to fraction form
    45,752.04/68,613.48 = 14,580/x
  3. Step 3: Cross multiply
    45,752.04x = 68,613.48 × 14,580
  4. Step 4: Simplify right side
    45,752.04x = 1,000,384,538.40
  5. Step 5: Solve for x
    x = 1,000,384,538.40/45,752.04
  6. Step 6: Final answer
    x = 21,865.35

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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.