Home / 55,894.34-77,132.58-30,743.84

Finding the Fourth Proportional to 55,894.34, 77,132.58 and 30,743.84

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Solution

The fourth proportional to 55,894.34, 77,132.58 and 30,743.84 is: 42,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.34 : 77,132.58 = 30,743.84 : x
  2. Step 2: Convert to fraction form
    55,894.34/77,132.58 = 30,743.84/x
  3. Step 3: Cross multiply
    55,894.34x = 77,132.58 × 30,743.84
  4. Step 4: Simplify right side
    55,894.34x = 2,371,351,698.31
  5. Step 5: Solve for x
    x = 2,371,351,698.31/55,894.34
  6. Step 6: Final answer
    x = 42,425.61

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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.