Home / 19,979.19-29,945.46-15,032.94

Finding the Fourth Proportional to 19,979.19, 29,945.46 and 15,032.94

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Solution

The fourth proportional to 19,979.19, 29,945.46 and 15,032.94 is: 22,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.19 : 29,945.46 = 15,032.94 : x
  2. Step 2: Convert to fraction form
    19,979.19/29,945.46 = 15,032.94/x
  3. Step 3: Cross multiply
    19,979.19x = 29,945.46 × 15,032.94
  4. Step 4: Simplify right side
    19,979.19x = 450,168,303.45
  5. Step 5: Solve for x
    x = 450,168,303.45/19,979.19
  6. Step 6: Final answer
    x = 22,531.86

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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.