Home / 55,775.54-76,969.93-30,281.70

Finding the Fourth Proportional to 55,775.54, 76,969.93 and 30,281.70

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Solution

The fourth proportional to 55,775.54, 76,969.93 and 30,281.70 is: 41,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.54 : 76,969.93 = 30,281.70 : x
  2. Step 2: Convert to fraction form
    55,775.54/76,969.93 = 30,281.70/x
  3. Step 3: Cross multiply
    55,775.54x = 76,969.93 × 30,281.70
  4. Step 4: Simplify right side
    55,775.54x = 2,330,780,166.04
  5. Step 5: Solve for x
    x = 2,330,780,166.04/55,775.54
  6. Step 6: Final answer
    x = 41,788.57

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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.