Home / 55,917.07-77,166.48-30,423.94

Finding the Fourth Proportional to 55,917.07, 77,166.48 and 30,423.94

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Solution

The fourth proportional to 55,917.07, 77,166.48 and 30,423.94 is: 41,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.07 : 77,166.48 = 30,423.94 : x
  2. Step 2: Convert to fraction form
    55,917.07/77,166.48 = 30,423.94/x
  3. Step 3: Cross multiply
    55,917.07x = 77,166.48 × 30,423.94
  4. Step 4: Simplify right side
    55,917.07x = 2,347,708,357.53
  5. Step 5: Solve for x
    x = 2,347,708,357.53/55,917.07
  6. Step 6: Final answer
    x = 41,985.54

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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.