Home / 30,247.83-45,376.61-18,574.11

Finding the Fourth Proportional to 30,247.83, 45,376.61 and 18,574.11

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Solution

The fourth proportional to 30,247.83, 45,376.61 and 18,574.11 is: 27,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.83 : 45,376.61 = 18,574.11 : x
  2. Step 2: Convert to fraction form
    30,247.83/45,376.61 = 18,574.11/x
  3. Step 3: Cross multiply
    30,247.83x = 45,376.61 × 18,574.11
  4. Step 4: Simplify right side
    30,247.83x = 842,830,052.70
  5. Step 5: Solve for x
    x = 842,830,052.70/30,247.83
  6. Step 6: Final answer
    x = 27,864.15

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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.