Home / 55,722.57-83,583.55-19,725.72

Finding the Fourth Proportional to 55,722.57, 83,583.55 and 19,725.72

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Solution

The fourth proportional to 55,722.57, 83,583.55 and 19,725.72 is: 29,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.57 : 83,583.55 = 19,725.72 : x
  2. Step 2: Convert to fraction form
    55,722.57/83,583.55 = 19,725.72/x
  3. Step 3: Cross multiply
    55,722.57x = 83,583.55 × 19,725.72
  4. Step 4: Simplify right side
    55,722.57x = 1,648,745,703.91
  5. Step 5: Solve for x
    x = 1,648,745,703.91/55,722.57
  6. Step 6: Final answer
    x = 29,588.47

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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.