Home / 30,374.71-45,577.43-20,493.23

Finding the Fourth Proportional to 30,374.71, 45,577.43 and 20,493.23

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Solution

The fourth proportional to 30,374.71, 45,577.43 and 20,493.23 is: 30,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.71 : 45,577.43 = 20,493.23 : x
  2. Step 2: Convert to fraction form
    30,374.71/45,577.43 = 20,493.23/x
  3. Step 3: Cross multiply
    30,374.71x = 45,577.43 × 20,493.23
  4. Step 4: Simplify right side
    30,374.71x = 934,028,425.45
  5. Step 5: Solve for x
    x = 934,028,425.45/30,374.71
  6. Step 6: Final answer
    x = 30,750.21

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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.