Home / 55,427.76-76,490.19-30,277.26

Finding the Fourth Proportional to 55,427.76, 76,490.19 and 30,277.26

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Solution

The fourth proportional to 55,427.76, 76,490.19 and 30,277.26 is: 41,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.76 : 76,490.19 = 30,277.26 : x
  2. Step 2: Convert to fraction form
    55,427.76/76,490.19 = 30,277.26/x
  3. Step 3: Cross multiply
    55,427.76x = 76,490.19 × 30,277.26
  4. Step 4: Simplify right side
    55,427.76x = 2,315,913,370.08
  5. Step 5: Solve for x
    x = 2,315,913,370.08/55,427.76
  6. Step 6: Final answer
    x = 41,782.55

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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.