Home / 84,830.37-127,251.67-25,670.70

Finding the Fourth Proportional to 84,830.37, 127,251.67 and 25,670.70

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Solution

The fourth proportional to 84,830.37, 127,251.67 and 25,670.70 is: 38,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,830.37 : 127,251.67 = 25,670.70 : x
  2. Step 2: Convert to fraction form
    84,830.37/127,251.67 = 25,670.70/x
  3. Step 3: Cross multiply
    84,830.37x = 127,251.67 × 25,670.70
  4. Step 4: Simplify right side
    84,830.37x = 3,266,639,445.07
  5. Step 5: Solve for x
    x = 3,266,639,445.07/84,830.37
  6. Step 6: Final answer
    x = 38,507.90

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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.