Home / 53,488.96-80,311.20-39,492.16

Finding the Fourth Proportional to 53,488.96, 80,311.20 and 39,492.16

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Solution

The fourth proportional to 53,488.96, 80,311.20 and 39,492.16 is: 59,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.96 : 80,311.20 = 39,492.16 : x
  2. Step 2: Convert to fraction form
    53,488.96/80,311.20 = 39,492.16/x
  3. Step 3: Cross multiply
    53,488.96x = 80,311.20 × 39,492.16
  4. Step 4: Simplify right side
    53,488.96x = 3,171,662,760.19
  5. Step 5: Solve for x
    x = 3,171,662,760.19/53,488.96
  6. Step 6: Final answer
    x = 59,295.65

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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.