Home / 40,403.78-55,762.11-23,182.45

Finding the Fourth Proportional to 40,403.78, 55,762.11 and 23,182.45

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Solution

The fourth proportional to 40,403.78, 55,762.11 and 23,182.45 is: 31,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.78 : 55,762.11 = 23,182.45 : x
  2. Step 2: Convert to fraction form
    40,403.78/55,762.11 = 23,182.45/x
  3. Step 3: Cross multiply
    40,403.78x = 55,762.11 × 23,182.45
  4. Step 4: Simplify right side
    40,403.78x = 1,292,702,326.97
  5. Step 5: Solve for x
    x = 1,292,702,326.97/40,403.78
  6. Step 6: Final answer
    x = 31,994.59

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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.