Home / 40,760.92-56,252.58-30,671.46

Finding the Fourth Proportional to 40,760.92, 56,252.58 and 30,671.46

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Solution

The fourth proportional to 40,760.92, 56,252.58 and 30,671.46 is: 42,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.92 : 56,252.58 = 30,671.46 : x
  2. Step 2: Convert to fraction form
    40,760.92/56,252.58 = 30,671.46/x
  3. Step 3: Cross multiply
    40,760.92x = 56,252.58 × 30,671.46
  4. Step 4: Simplify right side
    40,760.92x = 1,725,348,642.35
  5. Step 5: Solve for x
    x = 1,725,348,642.35/40,760.92
  6. Step 6: Final answer
    x = 42,328.50

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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.