Home / 55,708.52-76,877.35-30,214.80

Finding the Fourth Proportional to 55,708.52, 76,877.35 and 30,214.80

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Solution

The fourth proportional to 55,708.52, 76,877.35 and 30,214.80 is: 41,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.52 : 76,877.35 = 30,214.80 : x
  2. Step 2: Convert to fraction form
    55,708.52/76,877.35 = 30,214.80/x
  3. Step 3: Cross multiply
    55,708.52x = 76,877.35 × 30,214.80
  4. Step 4: Simplify right side
    55,708.52x = 2,322,833,679.24
  5. Step 5: Solve for x
    x = 2,322,833,679.24/55,708.52
  6. Step 6: Final answer
    x = 41,696.21

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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.