Home / 20,051.01-30,080.30-7,574.72

Finding the Fourth Proportional to 20,051.01, 30,080.30 and 7,574.72

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Solution

The fourth proportional to 20,051.01, 30,080.30 and 7,574.72 is: 11,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.01 : 30,080.30 = 7,574.72 : x
  2. Step 2: Convert to fraction form
    20,051.01/30,080.30 = 7,574.72/x
  3. Step 3: Cross multiply
    20,051.01x = 30,080.30 × 7,574.72
  4. Step 4: Simplify right side
    20,051.01x = 227,849,661.74
  5. Step 5: Solve for x
    x = 227,849,661.74/20,051.01
  6. Step 6: Final answer
    x = 11,363.50

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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.