Home / 46,455.72-69,683.58-20,159.88

Finding the Fourth Proportional to 46,455.72, 69,683.58 and 20,159.88

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Solution

The fourth proportional to 46,455.72, 69,683.58 and 20,159.88 is: 30,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,455.72 : 69,683.58 = 20,159.88 : x
  2. Step 2: Convert to fraction form
    46,455.72/69,683.58 = 20,159.88/x
  3. Step 3: Cross multiply
    46,455.72x = 69,683.58 × 20,159.88
  4. Step 4: Simplify right side
    46,455.72x = 1,404,812,161.55
  5. Step 5: Solve for x
    x = 1,404,812,161.55/46,455.72
  6. Step 6: Final answer
    x = 30,239.81

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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.