Home / 30,873.48-42,594.84-19,539.96

Finding the Fourth Proportional to 30,873.48, 42,594.84 and 19,539.96

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Solution

The fourth proportional to 30,873.48, 42,594.84 and 19,539.96 is: 26,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.48 : 42,594.84 = 19,539.96 : x
  2. Step 2: Convert to fraction form
    30,873.48/42,594.84 = 19,539.96/x
  3. Step 3: Cross multiply
    30,873.48x = 42,594.84 × 19,539.96
  4. Step 4: Simplify right side
    30,873.48x = 832,301,469.81
  5. Step 5: Solve for x
    x = 832,301,469.81/30,873.48
  6. Step 6: Final answer
    x = 26,958.46

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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.