Home / 30,555.60-45,835.80-13,025.56

Finding the Fourth Proportional to 30,555.60, 45,835.80 and 13,025.56

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Solution

The fourth proportional to 30,555.60, 45,835.80 and 13,025.56 is: 19,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.60 : 45,835.80 = 13,025.56 : x
  2. Step 2: Convert to fraction form
    30,555.60/45,835.80 = 13,025.56/x
  3. Step 3: Cross multiply
    30,555.60x = 45,835.80 × 13,025.56
  4. Step 4: Simplify right side
    30,555.60x = 597,036,963.05
  5. Step 5: Solve for x
    x = 597,036,963.05/30,555.60
  6. Step 6: Final answer
    x = 19,539.36

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1.5x scale

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.