Home / 35,829.15-49,437-20,716.30

Finding the Fourth Proportional to 35,829.15, 49,437 and 20,716.30

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Solution

The fourth proportional to 35,829.15, 49,437 and 20,716.30 is: 28,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.15 : 49,437 = 20,716.30 : x
  2. Step 2: Convert to fraction form
    35,829.15/49,437 = 20,716.30/x
  3. Step 3: Cross multiply
    35,829.15x = 49,437 × 20,716.30
  4. Step 4: Simplify right side
    35,829.15x = 1,024,151,723.10
  5. Step 5: Solve for x
    x = 1,024,151,723.10/35,829.15
  6. Step 6: Final answer
    x = 28,584.32

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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.