Home / 40,116.35-55,354.94-23,119.21

Finding the Fourth Proportional to 40,116.35, 55,354.94 and 23,119.21

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Solution

The fourth proportional to 40,116.35, 55,354.94 and 23,119.21 is: 31,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.35 : 55,354.94 = 23,119.21 : x
  2. Step 2: Convert to fraction form
    40,116.35/55,354.94 = 23,119.21/x
  3. Step 3: Cross multiply
    40,116.35x = 55,354.94 × 23,119.21
  4. Step 4: Simplify right side
    40,116.35x = 1,279,762,482.40
  5. Step 5: Solve for x
    x = 1,279,762,482.40/40,116.35
  6. Step 6: Final answer
    x = 31,901.27

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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.