Home / 45,512.15-68,178.11-21,463.52

Finding the Fourth Proportional to 45,512.15, 68,178.11 and 21,463.52

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Solution

The fourth proportional to 45,512.15, 68,178.11 and 21,463.52 is: 32,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512.15 : 68,178.11 = 21,463.52 : x
  2. Step 2: Convert to fraction form
    45,512.15/68,178.11 = 21,463.52/x
  3. Step 3: Cross multiply
    45,512.15x = 68,178.11 × 21,463.52
  4. Step 4: Simplify right side
    45,512.15x = 1,463,341,779.34
  5. Step 5: Solve for x
    x = 1,463,341,779.34/45,512.15
  6. Step 6: Final answer
    x = 32,152.78

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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.