Home / 23,051.45-31,803.12-13,979.59

Finding the Fourth Proportional to 23,051.45, 31,803.12 and 13,979.59

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Solution

The fourth proportional to 23,051.45, 31,803.12 and 13,979.59 is: 19,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,051.45 : 31,803.12 = 13,979.59 : x
  2. Step 2: Convert to fraction form
    23,051.45/31,803.12 = 13,979.59/x
  3. Step 3: Cross multiply
    23,051.45x = 31,803.12 × 13,979.59
  4. Step 4: Simplify right side
    23,051.45x = 444,594,471.73
  5. Step 5: Solve for x
    x = 444,594,471.73/23,051.45
  6. Step 6: Final answer
    x = 19,287.05

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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.