Home / 40,427.88-55,790.52-23,435.40

Finding the Fourth Proportional to 40,427.88, 55,790.52 and 23,435.40

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Solution

The fourth proportional to 40,427.88, 55,790.52 and 23,435.40 is: 32,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.88 : 55,790.52 = 23,435.40 : x
  2. Step 2: Convert to fraction form
    40,427.88/55,790.52 = 23,435.40/x
  3. Step 3: Cross multiply
    40,427.88x = 55,790.52 × 23,435.40
  4. Step 4: Simplify right side
    40,427.88x = 1,307,473,152.41
  5. Step 5: Solve for x
    x = 1,307,473,152.41/40,427.88
  6. Step 6: Final answer
    x = 32,340.88

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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.