Home / 55,258.12-76,255.14-30,107.08

Finding the Fourth Proportional to 55,258.12, 76,255.14 and 30,107.08

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Solution

The fourth proportional to 55,258.12, 76,255.14 and 30,107.08 is: 41,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.12 : 76,255.14 = 30,107.08 : x
  2. Step 2: Convert to fraction form
    55,258.12/76,255.14 = 30,107.08/x
  3. Step 3: Cross multiply
    55,258.12x = 76,255.14 × 30,107.08
  4. Step 4: Simplify right side
    55,258.12x = 2,295,819,600.39
  5. Step 5: Solve for x
    x = 2,295,819,600.39/55,258.12
  6. Step 6: Final answer
    x = 41,547.19

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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.