Home / 45,030.22-67,508.87-18,754.63

Finding the Fourth Proportional to 45,030.22, 67,508.87 and 18,754.63

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Solution

The fourth proportional to 45,030.22, 67,508.87 and 18,754.63 is: 28,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.22 : 67,508.87 = 18,754.63 : x
  2. Step 2: Convert to fraction form
    45,030.22/67,508.87 = 18,754.63/x
  3. Step 3: Cross multiply
    45,030.22x = 67,508.87 × 18,754.63
  4. Step 4: Simplify right side
    45,030.22x = 1,266,103,878.57
  5. Step 5: Solve for x
    x = 1,266,103,878.57/45,030.22
  6. Step 6: Final answer
    x = 28,116.76

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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.