Home / 40,960.60-56,490.30-31,994.20

Finding the Fourth Proportional to 40,960.60, 56,490.30 and 31,994.20

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Solution

The fourth proportional to 40,960.60, 56,490.30 and 31,994.20 is: 44,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.60 : 56,490.30 = 31,994.20 : x
  2. Step 2: Convert to fraction form
    40,960.60/56,490.30 = 31,994.20/x
  3. Step 3: Cross multiply
    40,960.60x = 56,490.30 × 31,994.20
  4. Step 4: Simplify right side
    40,960.60x = 1,807,361,956.26
  5. Step 5: Solve for x
    x = 1,807,361,956.26/40,960.60
  6. Step 6: Final answer
    x = 44,124.40

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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.