Home / 56,162.35-77,504.42-30,668.89

Finding the Fourth Proportional to 56,162.35, 77,504.42 and 30,668.89

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Solution

The fourth proportional to 56,162.35, 77,504.42 and 30,668.89 is: 42,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.35 : 77,504.42 = 30,668.89 : x
  2. Step 2: Convert to fraction form
    56,162.35/77,504.42 = 30,668.89/x
  3. Step 3: Cross multiply
    56,162.35x = 77,504.42 × 30,668.89
  4. Step 4: Simplify right side
    56,162.35x = 2,376,974,378.15
  5. Step 5: Solve for x
    x = 2,376,974,378.15/56,162.35
  6. Step 6: Final answer
    x = 42,323.28

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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.