Home / 30,264.28-45,418.54-15,485.56

Finding the Fourth Proportional to 30,264.28, 45,418.54 and 15,485.56

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Solution

The fourth proportional to 30,264.28, 45,418.54 and 15,485.56 is: 23,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.28 : 45,418.54 = 15,485.56 : x
  2. Step 2: Convert to fraction form
    30,264.28/45,418.54 = 15,485.56/x
  3. Step 3: Cross multiply
    30,264.28x = 45,418.54 × 15,485.56
  4. Step 4: Simplify right side
    30,264.28x = 703,331,526.28
  5. Step 5: Solve for x
    x = 703,331,526.28/30,264.28
  6. Step 6: Final answer
    x = 23,239.66

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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.