Home / 56,725.12-78,297.92-32,857.68

Finding the Fourth Proportional to 56,725.12, 78,297.92 and 32,857.68

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Solution

The fourth proportional to 56,725.12, 78,297.92 and 32,857.68 is: 45,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.12 : 78,297.92 = 32,857.68 : x
  2. Step 2: Convert to fraction form
    56,725.12/78,297.92 = 32,857.68/x
  3. Step 3: Cross multiply
    56,725.12x = 78,297.92 × 32,857.68
  4. Step 4: Simplify right side
    56,725.12x = 2,572,688,000.03
  5. Step 5: Solve for x
    x = 2,572,688,000.03/56,725.12
  6. Step 6: Final answer
    x = 45,353.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.