Home / 30,232.57-45,372.47-20,937.73

Finding the Fourth Proportional to 30,232.57, 45,372.47 and 20,937.73

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Solution

The fourth proportional to 30,232.57, 45,372.47 and 20,937.73 is: 31,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.57 : 45,372.47 = 20,937.73 : x
  2. Step 2: Convert to fraction form
    30,232.57/45,372.47 = 20,937.73/x
  3. Step 3: Cross multiply
    30,232.57x = 45,372.47 × 20,937.73
  4. Step 4: Simplify right side
    30,232.57x = 949,996,526.29
  5. Step 5: Solve for x
    x = 949,996,526.29/30,232.57
  6. Step 6: Final answer
    x = 31,422.95

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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.