Home / 45,636.18-68,424.98-19,000.62

Finding the Fourth Proportional to 45,636.18, 68,424.98 and 19,000.62

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Solution

The fourth proportional to 45,636.18, 68,424.98 and 19,000.62 is: 28,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,636.18 : 68,424.98 = 19,000.62 : x
  2. Step 2: Convert to fraction form
    45,636.18/68,424.98 = 19,000.62/x
  3. Step 3: Cross multiply
    45,636.18x = 68,424.98 × 19,000.62
  4. Step 4: Simplify right side
    45,636.18x = 1,300,116,948.48
  5. Step 5: Solve for x
    x = 1,300,116,948.48/45,636.18
  6. Step 6: Final answer
    x = 28,488.73

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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.