Home / 55,429.24-83,154.70-20,369.16

Finding the Fourth Proportional to 55,429.24, 83,154.70 and 20,369.16

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Solution

The fourth proportional to 55,429.24, 83,154.70 and 20,369.16 is: 30,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.24 : 83,154.70 = 20,369.16 : x
  2. Step 2: Convert to fraction form
    55,429.24/83,154.70 = 20,369.16/x
  3. Step 3: Cross multiply
    55,429.24x = 83,154.70 × 20,369.16
  4. Step 4: Simplify right side
    55,429.24x = 1,693,791,389.05
  5. Step 5: Solve for x
    x = 1,693,791,389.05/55,429.24
  6. Step 6: Final answer
    x = 30,557.72

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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.