Home / 40,740.30-56,221.10-22,835.28

Finding the Fourth Proportional to 40,740.30, 56,221.10 and 22,835.28

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Solution

The fourth proportional to 40,740.30, 56,221.10 and 22,835.28 is: 31,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.30 : 56,221.10 = 22,835.28 : x
  2. Step 2: Convert to fraction form
    40,740.30/56,221.10 = 22,835.28/x
  3. Step 3: Cross multiply
    40,740.30x = 56,221.10 × 22,835.28
  4. Step 4: Simplify right side
    40,740.30x = 1,283,824,560.41
  5. Step 5: Solve for x
    x = 1,283,824,560.41/40,740.30
  6. Step 6: Final answer
    x = 31,512.40

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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.