Home / 84,944.55-127,417.57-25,780.21

Finding the Fourth Proportional to 84,944.55, 127,417.57 and 25,780.21

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Solution

The fourth proportional to 84,944.55, 127,417.57 and 25,780.21 is: 38,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.55 : 127,417.57 = 25,780.21 : x
  2. Step 2: Convert to fraction form
    84,944.55/127,417.57 = 25,780.21/x
  3. Step 3: Cross multiply
    84,944.55x = 127,417.57 × 25,780.21
  4. Step 4: Simplify right side
    84,944.55x = 3,284,851,474.31
  5. Step 5: Solve for x
    x = 3,284,851,474.31/84,944.55
  6. Step 6: Final answer
    x = 38,670.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.