Home / 53,445.62-80,167.12-30,989.79

Finding the Fourth Proportional to 53,445.62, 80,167.12 and 30,989.79

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Solution

The fourth proportional to 53,445.62, 80,167.12 and 30,989.79 is: 46,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.62 : 80,167.12 = 30,989.79 : x
  2. Step 2: Convert to fraction form
    53,445.62/80,167.12 = 30,989.79/x
  3. Step 3: Cross multiply
    53,445.62x = 80,167.12 × 30,989.79
  4. Step 4: Simplify right side
    53,445.62x = 2,484,362,136.23
  5. Step 5: Solve for x
    x = 2,484,362,136.23/53,445.62
  6. Step 6: Final answer
    x = 46,483.92

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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.