Home / 30,560.00-45,830.68-21,132.93

Finding the Fourth Proportional to 30,560.00, 45,830.68 and 21,132.93

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Solution

The fourth proportional to 30,560.00, 45,830.68 and 21,132.93 is: 31,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.00 : 45,830.68 = 21,132.93 : x
  2. Step 2: Convert to fraction form
    30,560.00/45,830.68 = 21,132.93/x
  3. Step 3: Cross multiply
    30,560.00x = 45,830.68 × 21,132.93
  4. Step 4: Simplify right side
    30,560.00x = 968,536,671.33
  5. Step 5: Solve for x
    x = 968,536,671.33/30,560.00
  6. Step 6: Final answer
    x = 31,692.95

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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.