Home / 40,878.26-56,416.68-22,730.79

Finding the Fourth Proportional to 40,878.26, 56,416.68 and 22,730.79

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Solution

The fourth proportional to 40,878.26, 56,416.68 and 22,730.79 is: 31,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.26 : 56,416.68 = 22,730.79 : x
  2. Step 2: Convert to fraction form
    40,878.26/56,416.68 = 22,730.79/x
  3. Step 3: Cross multiply
    40,878.26x = 56,416.68 × 22,730.79
  4. Step 4: Simplify right side
    40,878.26x = 1,282,395,853.21
  5. Step 5: Solve for x
    x = 1,282,395,853.21/40,878.26
  6. Step 6: Final answer
    x = 31,371.10

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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.