Home / 30,088.37-41,508.90-18,145.07

Finding the Fourth Proportional to 30,088.37, 41,508.90 and 18,145.07

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Solution

The fourth proportional to 30,088.37, 41,508.90 and 18,145.07 is: 25,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.37 : 41,508.90 = 18,145.07 : x
  2. Step 2: Convert to fraction form
    30,088.37/41,508.90 = 18,145.07/x
  3. Step 3: Cross multiply
    30,088.37x = 41,508.90 × 18,145.07
  4. Step 4: Simplify right side
    30,088.37x = 753,181,844.24
  5. Step 5: Solve for x
    x = 753,181,844.24/30,088.37
  6. Step 6: Final answer
    x = 25,032.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.