Home / 35,370.58-53,066.94-13,185.76

Finding the Fourth Proportional to 35,370.58, 53,066.94 and 13,185.76

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Solution

The fourth proportional to 35,370.58, 53,066.94 and 13,185.76 is: 19,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.58 : 53,066.94 = 13,185.76 : x
  2. Step 2: Convert to fraction form
    35,370.58/53,066.94 = 13,185.76/x
  3. Step 3: Cross multiply
    35,370.58x = 53,066.94 × 13,185.76
  4. Step 4: Simplify right side
    35,370.58x = 699,727,934.77
  5. Step 5: Solve for x
    x = 699,727,934.77/35,370.58
  6. Step 6: Final answer
    x = 19,782.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.