Home / 35,850.09-49,459.91-21,697.77

Finding the Fourth Proportional to 35,850.09, 49,459.91 and 21,697.77

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Solution

The fourth proportional to 35,850.09, 49,459.91 and 21,697.77 is: 29,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,850.09 : 49,459.91 = 21,697.77 : x
  2. Step 2: Convert to fraction form
    35,850.09/49,459.91 = 21,697.77/x
  3. Step 3: Cross multiply
    35,850.09x = 49,459.91 × 21,697.77
  4. Step 4: Simplify right side
    35,850.09x = 1,073,169,642.91
  5. Step 5: Solve for x
    x = 1,073,169,642.91/35,850.09
  6. Step 6: Final answer
    x = 29,934.92

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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.