Home / 40,705.36-56,171.64-22,800.40

Finding the Fourth Proportional to 40,705.36, 56,171.64 and 22,800.40

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Solution

The fourth proportional to 40,705.36, 56,171.64 and 22,800.40 is: 31,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.36 : 56,171.64 = 22,800.40 : x
  2. Step 2: Convert to fraction form
    40,705.36/56,171.64 = 22,800.40/x
  3. Step 3: Cross multiply
    40,705.36x = 56,171.64 × 22,800.40
  4. Step 4: Simplify right side
    40,705.36x = 1,280,735,860.66
  5. Step 5: Solve for x
    x = 1,280,735,860.66/40,705.36
  6. Step 6: Final answer
    x = 31,463.57

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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.