Home / 40,137.72-55,394.70-23,370.68

Finding the Fourth Proportional to 40,137.72, 55,394.70 and 23,370.68

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Solution

The fourth proportional to 40,137.72, 55,394.70 and 23,370.68 is: 32,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.72 : 55,394.70 = 23,370.68 : x
  2. Step 2: Convert to fraction form
    40,137.72/55,394.70 = 23,370.68/x
  3. Step 3: Cross multiply
    40,137.72x = 55,394.70 × 23,370.68
  4. Step 4: Simplify right side
    40,137.72x = 1,294,611,807.40
  5. Step 5: Solve for x
    x = 1,294,611,807.40/40,137.72
  6. Step 6: Final answer
    x = 32,254.24

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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.