Home / 30,116.52-45,202.34-15,335.64

Finding the Fourth Proportional to 30,116.52, 45,202.34 and 15,335.64

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Solution

The fourth proportional to 30,116.52, 45,202.34 and 15,335.64 is: 23,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.52 : 45,202.34 = 15,335.64 : x
  2. Step 2: Convert to fraction form
    30,116.52/45,202.34 = 15,335.64/x
  3. Step 3: Cross multiply
    30,116.52x = 45,202.34 × 15,335.64
  4. Step 4: Simplify right side
    30,116.52x = 693,206,813.40
  5. Step 5: Solve for x
    x = 693,206,813.40/30,116.52
  6. Step 6: Final answer
    x = 23,017.49

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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.