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Finding the Fourth Proportional to 45,201.03, 67,810.04 and 18,185.40

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Solution

The fourth proportional to 45,201.03, 67,810.04 and 18,185.40 is: 27,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.03 : 67,810.04 = 18,185.40 : x
  2. Step 2: Convert to fraction form
    45,201.03/67,810.04 = 18,185.40/x
  3. Step 3: Cross multiply
    45,201.03x = 67,810.04 × 18,185.40
  4. Step 4: Simplify right side
    45,201.03x = 1,233,152,701.42
  5. Step 5: Solve for x
    x = 1,233,152,701.42/45,201.03
  6. Step 6: Final answer
    x = 27,281.52

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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.