Home / 20,323.64-30,487.52-5,533.72

Finding the Fourth Proportional to 20,323.64, 30,487.52 and 5,533.72

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Solution

The fourth proportional to 20,323.64, 30,487.52 and 5,533.72 is: 8,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.64 : 30,487.52 = 5,533.72 : x
  2. Step 2: Convert to fraction form
    20,323.64/30,487.52 = 5,533.72/x
  3. Step 3: Cross multiply
    20,323.64x = 30,487.52 × 5,533.72
  4. Step 4: Simplify right side
    20,323.64x = 168,709,399.17
  5. Step 5: Solve for x
    x = 168,709,399.17/20,323.64
  6. Step 6: Final answer
    x = 8,301.14

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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.