Home / 34,859.85-48,091.77-21,426.81

Finding the Fourth Proportional to 34,859.85, 48,091.77 and 21,426.81

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Solution

The fourth proportional to 34,859.85, 48,091.77 and 21,426.81 is: 29,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.85 : 48,091.77 = 21,426.81 : x
  2. Step 2: Convert to fraction form
    34,859.85/48,091.77 = 21,426.81/x
  3. Step 3: Cross multiply
    34,859.85x = 48,091.77 × 21,426.81
  4. Step 4: Simplify right side
    34,859.85x = 1,030,453,218.35
  5. Step 5: Solve for x
    x = 1,030,453,218.35/34,859.85
  6. Step 6: Final answer
    x = 29,559.89

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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.