Home / 75,703.32-113,555.40-19,539.59

Finding the Fourth Proportional to 75,703.32, 113,555.40 and 19,539.59

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Solution

The fourth proportional to 75,703.32, 113,555.40 and 19,539.59 is: 29,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,703.32 : 113,555.40 = 19,539.59 : x
  2. Step 2: Convert to fraction form
    75,703.32/113,555.40 = 19,539.59/x
  3. Step 3: Cross multiply
    75,703.32x = 113,555.40 × 19,539.59
  4. Step 4: Simplify right side
    75,703.32x = 2,218,825,463.78
  5. Step 5: Solve for x
    x = 2,218,825,463.78/75,703.32
  6. Step 6: Final answer
    x = 29,309.49

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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.