Home / 53,484.96-80,305.20-39,488.16

Finding the Fourth Proportional to 53,484.96, 80,305.20 and 39,488.16

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Solution

The fourth proportional to 53,484.96, 80,305.20 and 39,488.16 is: 59,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,484.96 : 80,305.20 = 39,488.16 : x
  2. Step 2: Convert to fraction form
    53,484.96/80,305.20 = 39,488.16/x
  3. Step 3: Cross multiply
    53,484.96x = 80,305.20 × 39,488.16
  4. Step 4: Simplify right side
    53,484.96x = 3,171,104,586.43
  5. Step 5: Solve for x
    x = 3,171,104,586.43/53,484.96
  6. Step 6: Final answer
    x = 59,289.65

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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.