Home / 55,964.07-77,230.94-30,814.47

Finding the Fourth Proportional to 55,964.07, 77,230.94 and 30,814.47

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Solution

The fourth proportional to 55,964.07, 77,230.94 and 30,814.47 is: 42,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.07 : 77,230.94 = 30,814.47 : x
  2. Step 2: Convert to fraction form
    55,964.07/77,230.94 = 30,814.47/x
  3. Step 3: Cross multiply
    55,964.07x = 77,230.94 × 30,814.47
  4. Step 4: Simplify right side
    55,964.07x = 2,379,830,329.63
  5. Step 5: Solve for x
    x = 2,379,830,329.63/55,964.07
  6. Step 6: Final answer
    x = 42,524.25

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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.