Home / 30,037.46-45,064.43-21,588.12

Finding the Fourth Proportional to 30,037.46, 45,064.43 and 21,588.12

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Solution

The fourth proportional to 30,037.46, 45,064.43 and 21,588.12 is: 32,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.46 : 45,064.43 = 21,588.12 : x
  2. Step 2: Convert to fraction form
    30,037.46/45,064.43 = 21,588.12/x
  3. Step 3: Cross multiply
    30,037.46x = 45,064.43 × 21,588.12
  4. Step 4: Simplify right side
    30,037.46x = 972,856,234.87
  5. Step 5: Solve for x
    x = 972,856,234.87/30,037.46
  6. Step 6: Final answer
    x = 32,388.10

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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.