Home / 40,906.49-56,478.92-31,329.45

Finding the Fourth Proportional to 40,906.49, 56,478.92 and 31,329.45

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Solution

The fourth proportional to 40,906.49, 56,478.92 and 31,329.45 is: 43,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.49 : 56,478.92 = 31,329.45 : x
  2. Step 2: Convert to fraction form
    40,906.49/56,478.92 = 31,329.45/x
  3. Step 3: Cross multiply
    40,906.49x = 56,478.92 × 31,329.45
  4. Step 4: Simplify right side
    40,906.49x = 1,769,453,500.19
  5. Step 5: Solve for x
    x = 1,769,453,500.19/40,906.49
  6. Step 6: Final answer
    x = 43,256.06

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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.