Home / 30,358.32-45,530.13-15,559.62

Finding the Fourth Proportional to 30,358.32, 45,530.13 and 15,559.62

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Solution

The fourth proportional to 30,358.32, 45,530.13 and 15,559.62 is: 23,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.32 : 45,530.13 = 15,559.62 : x
  2. Step 2: Convert to fraction form
    30,358.32/45,530.13 = 15,559.62/x
  3. Step 3: Cross multiply
    30,358.32x = 45,530.13 × 15,559.62
  4. Step 4: Simplify right side
    30,358.32x = 708,431,521.35
  5. Step 5: Solve for x
    x = 708,431,521.35/30,358.32
  6. Step 6: Final answer
    x = 23,335.66

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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.