Home / 30,216.29-45,324.09-18,373.32

Finding the Fourth Proportional to 30,216.29, 45,324.09 and 18,373.32

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Solution

The fourth proportional to 30,216.29, 45,324.09 and 18,373.32 is: 27,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.29 : 45,324.09 = 18,373.32 : x
  2. Step 2: Convert to fraction form
    30,216.29/45,324.09 = 18,373.32/x
  3. Step 3: Cross multiply
    30,216.29x = 45,324.09 × 18,373.32
  4. Step 4: Simplify right side
    30,216.29x = 832,754,009.28
  5. Step 5: Solve for x
    x = 832,754,009.28/30,216.29
  6. Step 6: Final answer
    x = 27,559.77

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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.