Home / 30,088.76-41,509.41-18,145.46

Finding the Fourth Proportional to 30,088.76, 41,509.41 and 18,145.46

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Solution

The fourth proportional to 30,088.76, 41,509.41 and 18,145.46 is: 25,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.76 : 41,509.41 = 18,145.46 : x
  2. Step 2: Convert to fraction form
    30,088.76/41,509.41 = 18,145.46/x
  3. Step 3: Cross multiply
    30,088.76x = 41,509.41 × 18,145.46
  4. Step 4: Simplify right side
    30,088.76x = 753,207,131.23
  5. Step 5: Solve for x
    x = 753,207,131.23/30,088.76
  6. Step 6: Final answer
    x = 25,032.84

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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.