Home / 55,276.26-76,281.78-30,126.30

Finding the Fourth Proportional to 55,276.26, 76,281.78 and 30,126.30

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Solution

The fourth proportional to 55,276.26, 76,281.78 and 30,126.30 is: 41,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.26 : 76,281.78 = 30,126.30 : x
  2. Step 2: Convert to fraction form
    55,276.26/76,281.78 = 30,126.30/x
  3. Step 3: Cross multiply
    55,276.26x = 76,281.78 × 30,126.30
  4. Step 4: Simplify right side
    55,276.26x = 2,298,087,788.81
  5. Step 5: Solve for x
    x = 2,298,087,788.81/55,276.26
  6. Step 6: Final answer
    x = 41,574.59

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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.