Home / 30,340.58-45,521.55-15,556.46

Finding the Fourth Proportional to 30,340.58, 45,521.55 and 15,556.46

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Solution

The fourth proportional to 30,340.58, 45,521.55 and 15,556.46 is: 23,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.58 : 45,521.55 = 15,556.46 : x
  2. Step 2: Convert to fraction form
    30,340.58/45,521.55 = 15,556.46/x
  3. Step 3: Cross multiply
    30,340.58x = 45,521.55 × 15,556.46
  4. Step 4: Simplify right side
    30,340.58x = 708,154,171.71
  5. Step 5: Solve for x
    x = 708,154,171.71/30,340.58
  6. Step 6: Final answer
    x = 23,340.17

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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.