Home / 45,006.98-67,511.55-13,842.50

Finding the Fourth Proportional to 45,006.98, 67,511.55 and 13,842.50

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Solution

The fourth proportional to 45,006.98, 67,511.55 and 13,842.50 is: 20,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,006.98 : 67,511.55 = 13,842.50 : x
  2. Step 2: Convert to fraction form
    45,006.98/67,511.55 = 13,842.50/x
  3. Step 3: Cross multiply
    45,006.98x = 67,511.55 × 13,842.50
  4. Step 4: Simplify right side
    45,006.98x = 934,528,630.88
  5. Step 5: Solve for x
    x = 934,528,630.88/45,006.98
  6. Step 6: Final answer
    x = 20,764.08

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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.