Home / 40,420.37-55,760.05-27,009.61

Finding the Fourth Proportional to 40,420.37, 55,760.05 and 27,009.61

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Solution

The fourth proportional to 40,420.37, 55,760.05 and 27,009.61 is: 37,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.37 : 55,760.05 = 27,009.61 : x
  2. Step 2: Convert to fraction form
    40,420.37/55,760.05 = 27,009.61/x
  3. Step 3: Cross multiply
    40,420.37x = 55,760.05 × 27,009.61
  4. Step 4: Simplify right side
    40,420.37x = 1,506,057,204.08
  5. Step 5: Solve for x
    x = 1,506,057,204.08/40,420.37
  6. Step 6: Final answer
    x = 37,259.86

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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.