Home / 36,440.76-54,661.20-10,145.49

Finding the Fourth Proportional to 36,440.76, 54,661.20 and 10,145.49

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Solution

The fourth proportional to 36,440.76, 54,661.20 and 10,145.49 is: 15,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.76 : 54,661.20 = 10,145.49 : x
  2. Step 2: Convert to fraction form
    36,440.76/54,661.20 = 10,145.49/x
  3. Step 3: Cross multiply
    36,440.76x = 54,661.20 × 10,145.49
  4. Step 4: Simplify right side
    36,440.76x = 554,564,657.99
  5. Step 5: Solve for x
    x = 554,564,657.99/36,440.76
  6. Step 6: Final answer
    x = 15,218.25

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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.