Home / 74,381.04-102,648.20-40,847.04

Finding the Fourth Proportional to 74,381.04, 102,648.20 and 40,847.04

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Solution

The fourth proportional to 74,381.04, 102,648.20 and 40,847.04 is: 56,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,381.04 : 102,648.20 = 40,847.04 : x
  2. Step 2: Convert to fraction form
    74,381.04/102,648.20 = 40,847.04/x
  3. Step 3: Cross multiply
    74,381.04x = 102,648.20 × 40,847.04
  4. Step 4: Simplify right side
    74,381.04x = 4,192,875,131.33
  5. Step 5: Solve for x
    x = 4,192,875,131.33/74,381.04
  6. Step 6: Final answer
    x = 56,370.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.