Home / 35,522.60-49,025.07-20,415.92

Finding the Fourth Proportional to 35,522.60, 49,025.07 and 20,415.92

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Solution

The fourth proportional to 35,522.60, 49,025.07 and 20,415.92 is: 28,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.60 : 49,025.07 = 20,415.92 : x
  2. Step 2: Convert to fraction form
    35,522.60/49,025.07 = 20,415.92/x
  3. Step 3: Cross multiply
    35,522.60x = 49,025.07 × 20,415.92
  4. Step 4: Simplify right side
    35,522.60x = 1,000,891,661.99
  5. Step 5: Solve for x
    x = 1,000,891,661.99/35,522.60
  6. Step 6: Final answer
    x = 28,176.20

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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.