Home / 55,736.07-76,911.99-30,587.19

Finding the Fourth Proportional to 55,736.07, 76,911.99 and 30,587.19

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Solution

The fourth proportional to 55,736.07, 76,911.99 and 30,587.19 is: 42,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.07 : 76,911.99 = 30,587.19 : x
  2. Step 2: Convert to fraction form
    55,736.07/76,911.99 = 30,587.19/x
  3. Step 3: Cross multiply
    55,736.07x = 76,911.99 × 30,587.19
  4. Step 4: Simplify right side
    55,736.07x = 2,352,521,651.41
  5. Step 5: Solve for x
    x = 2,352,521,651.41/55,736.07
  6. Step 6: Final answer
    x = 42,208.24

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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.