Home / 20,048.11-30,063.40-9,521.15

Finding the Fourth Proportional to 20,048.11, 30,063.40 and 9,521.15

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Solution

The fourth proportional to 20,048.11, 30,063.40 and 9,521.15 is: 14,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.11 : 30,063.40 = 9,521.15 : x
  2. Step 2: Convert to fraction form
    20,048.11/30,063.40 = 9,521.15/x
  3. Step 3: Cross multiply
    20,048.11x = 30,063.40 × 9,521.15
  4. Step 4: Simplify right side
    20,048.11x = 286,237,966.79
  5. Step 5: Solve for x
    x = 286,237,966.79/20,048.11
  6. Step 6: Final answer
    x = 14,277.56

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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.