Home / 40,420.30-55,787.52-23,435.52

Finding the Fourth Proportional to 40,420.30, 55,787.52 and 23,435.52

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Solution

The fourth proportional to 40,420.30, 55,787.52 and 23,435.52 is: 32,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.30 : 55,787.52 = 23,435.52 : x
  2. Step 2: Convert to fraction form
    40,420.30/55,787.52 = 23,435.52/x
  3. Step 3: Cross multiply
    40,420.30x = 55,787.52 × 23,435.52
  4. Step 4: Simplify right side
    40,420.30x = 1,307,409,540.71
  5. Step 5: Solve for x
    x = 1,307,409,540.71/40,420.30
  6. Step 6: Final answer
    x = 32,345.37

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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.