Home / 45,336.79-68,005.09-12,056.86

Finding the Fourth Proportional to 45,336.79, 68,005.09 and 12,056.86

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Solution

The fourth proportional to 45,336.79, 68,005.09 and 12,056.86 is: 18,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.79 : 68,005.09 = 12,056.86 : x
  2. Step 2: Convert to fraction form
    45,336.79/68,005.09 = 12,056.86/x
  3. Step 3: Cross multiply
    45,336.79x = 68,005.09 × 12,056.86
  4. Step 4: Simplify right side
    45,336.79x = 819,927,849.42
  5. Step 5: Solve for x
    x = 819,927,849.42/45,336.79
  6. Step 6: Final answer
    x = 18,085.26

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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.