Home / 20,535.65-30,654.93-18,044.52

Finding the Fourth Proportional to 20,535.65, 30,654.93 and 18,044.52

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Solution

The fourth proportional to 20,535.65, 30,654.93 and 18,044.52 is: 26,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.65 : 30,654.93 = 18,044.52 : x
  2. Step 2: Convert to fraction form
    20,535.65/30,654.93 = 18,044.52/x
  3. Step 3: Cross multiply
    20,535.65x = 30,654.93 × 18,044.52
  4. Step 4: Simplify right side
    20,535.65x = 553,153,571.88
  5. Step 5: Solve for x
    x = 553,153,571.88/20,535.65
  6. Step 6: Final answer
    x = 26,936.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.