Home / 84,979.37-127,471.95-25,814.93

Finding the Fourth Proportional to 84,979.37, 127,471.95 and 25,814.93

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Solution

The fourth proportional to 84,979.37, 127,471.95 and 25,814.93 is: 38,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,979.37 : 127,471.95 = 25,814.93 : x
  2. Step 2: Convert to fraction form
    84,979.37/127,471.95 = 25,814.93/x
  3. Step 3: Cross multiply
    84,979.37x = 127,471.95 × 25,814.93
  4. Step 4: Simplify right side
    84,979.37x = 3,290,679,466.21
  5. Step 5: Solve for x
    x = 3,290,679,466.21/84,979.37
  6. Step 6: Final answer
    x = 38,723.27

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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.