Home / 45,010.20-67,461.30-18,701.40

Finding the Fourth Proportional to 45,010.20, 67,461.30 and 18,701.40

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Solution

The fourth proportional to 45,010.20, 67,461.30 and 18,701.40 is: 28,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,010.20 : 67,461.30 = 18,701.40 : x
  2. Step 2: Convert to fraction form
    45,010.20/67,461.30 = 18,701.40/x
  3. Step 3: Cross multiply
    45,010.20x = 67,461.30 × 18,701.40
  4. Step 4: Simplify right side
    45,010.20x = 1,261,620,755.82
  5. Step 5: Solve for x
    x = 1,261,620,755.82/45,010.20
  6. Step 6: Final answer
    x = 28,029.66

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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.