Home / 40,660.49-56,111.53-22,759.76

Finding the Fourth Proportional to 40,660.49, 56,111.53 and 22,759.76

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Solution

The fourth proportional to 40,660.49, 56,111.53 and 22,759.76 is: 31,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.49 : 56,111.53 = 22,759.76 : x
  2. Step 2: Convert to fraction form
    40,660.49/56,111.53 = 22,759.76/x
  3. Step 3: Cross multiply
    40,660.49x = 56,111.53 × 22,759.76
  4. Step 4: Simplify right side
    40,660.49x = 1,277,085,039.41
  5. Step 5: Solve for x
    x = 1,277,085,039.41/40,660.49
  6. Step 6: Final answer
    x = 31,408.50

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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.