Home / 30,342.48-45,521.01-9,281.67

Finding the Fourth Proportional to 30,342.48, 45,521.01 and 9,281.67

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Solution

The fourth proportional to 30,342.48, 45,521.01 and 9,281.67 is: 13,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.48 : 45,521.01 = 9,281.67 : x
  2. Step 2: Convert to fraction form
    30,342.48/45,521.01 = 9,281.67/x
  3. Step 3: Cross multiply
    30,342.48x = 45,521.01 × 9,281.67
  4. Step 4: Simplify right side
    30,342.48x = 422,510,992.89
  5. Step 5: Solve for x
    x = 422,510,992.89/30,342.48
  6. Step 6: Final answer
    x = 13,924.73

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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.