Home / 40,274.66-60,444.40-20,558.46

Finding the Fourth Proportional to 40,274.66, 60,444.40 and 20,558.46

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Solution

The fourth proportional to 40,274.66, 60,444.40 and 20,558.46 is: 30,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.66 : 60,444.40 = 20,558.46 : x
  2. Step 2: Convert to fraction form
    40,274.66/60,444.40 = 20,558.46/x
  3. Step 3: Cross multiply
    40,274.66x = 60,444.40 × 20,558.46
  4. Step 4: Simplify right side
    40,274.66x = 1,242,643,779.62
  5. Step 5: Solve for x
    x = 1,242,643,779.62/40,274.66
  6. Step 6: Final answer
    x = 30,854.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.