Home / 40,492.90-60,778.26-19,730.98

Finding the Fourth Proportional to 40,492.90, 60,778.26 and 19,730.98

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Solution

The fourth proportional to 40,492.90, 60,778.26 and 19,730.98 is: 29,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.90 : 60,778.26 = 19,730.98 : x
  2. Step 2: Convert to fraction form
    40,492.90/60,778.26 = 19,730.98/x
  3. Step 3: Cross multiply
    40,492.90x = 60,778.26 × 19,730.98
  4. Step 4: Simplify right side
    40,492.90x = 1,199,214,632.49
  5. Step 5: Solve for x
    x = 1,199,214,632.49/40,492.90
  6. Step 6: Final answer
    x = 29,615.43

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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.