Home / 35,819.94-49,432.10-20,716.01

Finding the Fourth Proportional to 35,819.94, 49,432.10 and 20,716.01

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Solution

The fourth proportional to 35,819.94, 49,432.10 and 20,716.01 is: 28,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.94 : 49,432.10 = 20,716.01 : x
  2. Step 2: Convert to fraction form
    35,819.94/49,432.10 = 20,716.01/x
  3. Step 3: Cross multiply
    35,819.94x = 49,432.10 × 20,716.01
  4. Step 4: Simplify right side
    35,819.94x = 1,024,035,877.92
  5. Step 5: Solve for x
    x = 1,024,035,877.92/35,819.94
  6. Step 6: Final answer
    x = 28,588.43

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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.