Home / 40,133.64-55,385.01-23,137.59

Finding the Fourth Proportional to 40,133.64, 55,385.01 and 23,137.59

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Solution

The fourth proportional to 40,133.64, 55,385.01 and 23,137.59 is: 31,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.64 : 55,385.01 = 23,137.59 : x
  2. Step 2: Convert to fraction form
    40,133.64/55,385.01 = 23,137.59/x
  3. Step 3: Cross multiply
    40,133.64x = 55,385.01 × 23,137.59
  4. Step 4: Simplify right side
    40,133.64x = 1,281,475,653.53
  5. Step 5: Solve for x
    x = 1,281,475,653.53/40,133.64
  6. Step 6: Final answer
    x = 31,930.21

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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.