Home / 40,878.77-56,412.18-22,976.80

Finding the Fourth Proportional to 40,878.77, 56,412.18 and 22,976.80

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Solution

The fourth proportional to 40,878.77, 56,412.18 and 22,976.80 is: 31,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.77 : 56,412.18 = 22,976.80 : x
  2. Step 2: Convert to fraction form
    40,878.77/56,412.18 = 22,976.80/x
  3. Step 3: Cross multiply
    40,878.77x = 56,412.18 × 22,976.80
  4. Step 4: Simplify right side
    40,878.77x = 1,296,171,236.39
  5. Step 5: Solve for x
    x = 1,296,171,236.39/40,878.77
  6. Step 6: Final answer
    x = 31,707.69

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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.