Home / 40,905.28-56,447.83-23,001.31

Finding the Fourth Proportional to 40,905.28, 56,447.83 and 23,001.31

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Solution

The fourth proportional to 40,905.28, 56,447.83 and 23,001.31 is: 31,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.28 : 56,447.83 = 23,001.31 : x
  2. Step 2: Convert to fraction form
    40,905.28/56,447.83 = 23,001.31/x
  3. Step 3: Cross multiply
    40,905.28x = 56,447.83 × 23,001.31
  4. Step 4: Simplify right side
    40,905.28x = 1,298,374,036.66
  5. Step 5: Solve for x
    x = 1,298,374,036.66/40,905.28
  6. Step 6: Final answer
    x = 31,740.99

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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.