Home / 55,419.63-76,479.05-30,269.13

Finding the Fourth Proportional to 55,419.63, 76,479.05 and 30,269.13

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Solution

The fourth proportional to 55,419.63, 76,479.05 and 30,269.13 is: 41,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.63 : 76,479.05 = 30,269.13 : x
  2. Step 2: Convert to fraction form
    55,419.63/76,479.05 = 30,269.13/x
  3. Step 3: Cross multiply
    55,419.63x = 76,479.05 × 30,269.13
  4. Step 4: Simplify right side
    55,419.63x = 2,314,954,095.60
  5. Step 5: Solve for x
    x = 2,314,954,095.60/55,419.63
  6. Step 6: Final answer
    x = 41,771.38

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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.