Home / 56,087.09-77,380.76-35,955.08

Finding the Fourth Proportional to 56,087.09, 77,380.76 and 35,955.08

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Solution

The fourth proportional to 56,087.09, 77,380.76 and 35,955.08 is: 49,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.09 : 77,380.76 = 35,955.08 : x
  2. Step 2: Convert to fraction form
    56,087.09/77,380.76 = 35,955.08/x
  3. Step 3: Cross multiply
    56,087.09x = 77,380.76 × 35,955.08
  4. Step 4: Simplify right side
    56,087.09x = 2,782,230,849.58
  5. Step 5: Solve for x
    x = 2,782,230,849.58/56,087.09
  6. Step 6: Final answer
    x = 49,605.55

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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.