Home / 40,638.40-56,078.73-22,729.94

Finding the Fourth Proportional to 40,638.40, 56,078.73 and 22,729.94

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Solution

The fourth proportional to 40,638.40, 56,078.73 and 22,729.94 is: 31,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.40 : 56,078.73 = 22,729.94 : x
  2. Step 2: Convert to fraction form
    40,638.40/56,078.73 = 22,729.94/x
  3. Step 3: Cross multiply
    40,638.40x = 56,078.73 × 22,729.94
  4. Step 4: Simplify right side
    40,638.40x = 1,274,666,398.59
  5. Step 5: Solve for x
    x = 1,274,666,398.59/40,638.40
  6. Step 6: Final answer
    x = 31,366.06

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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.