Home / 30,157.49-45,236.24-10,425.28

Finding the Fourth Proportional to 30,157.49, 45,236.24 and 10,425.28

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Solution

The fourth proportional to 30,157.49, 45,236.24 and 10,425.28 is: 15,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.49 : 45,236.24 = 10,425.28 : x
  2. Step 2: Convert to fraction form
    30,157.49/45,236.24 = 10,425.28/x
  3. Step 3: Cross multiply
    30,157.49x = 45,236.24 × 10,425.28
  4. Step 4: Simplify right side
    30,157.49x = 471,600,468.15
  5. Step 5: Solve for x
    x = 471,600,468.15/30,157.49
  6. Step 6: Final answer
    x = 15,637.92

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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.