Home / 20,043.08-30,048.59-9,507.80

Finding the Fourth Proportional to 20,043.08, 30,048.59 and 9,507.80

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Solution

The fourth proportional to 20,043.08, 30,048.59 and 9,507.80 is: 14,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.08 : 30,048.59 = 9,507.80 : x
  2. Step 2: Convert to fraction form
    20,043.08/30,048.59 = 9,507.80/x
  3. Step 3: Cross multiply
    20,043.08x = 30,048.59 × 9,507.80
  4. Step 4: Simplify right side
    20,043.08x = 285,695,984.00
  5. Step 5: Solve for x
    x = 285,695,984.00/20,043.08
  6. Step 6: Final answer
    x = 14,254.10

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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.