Home / 55,688.44-83,537.94-20,158.72

Finding the Fourth Proportional to 55,688.44, 83,537.94 and 20,158.72

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Solution

The fourth proportional to 55,688.44, 83,537.94 and 20,158.72 is: 30,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,688.44 : 83,537.94 = 20,158.72 : x
  2. Step 2: Convert to fraction form
    55,688.44/83,537.94 = 20,158.72/x
  3. Step 3: Cross multiply
    55,688.44x = 83,537.94 × 20,158.72
  4. Step 4: Simplify right side
    55,688.44x = 1,684,017,941.84
  5. Step 5: Solve for x
    x = 1,684,017,941.84/55,688.44
  6. Step 6: Final answer
    x = 30,239.99

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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.