Home / 34,507.28-51,771.84-12,320.18

Finding the Fourth Proportional to 34,507.28, 51,771.84 and 12,320.18

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Solution

The fourth proportional to 34,507.28, 51,771.84 and 12,320.18 is: 18,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.28 : 51,771.84 = 12,320.18 : x
  2. Step 2: Convert to fraction form
    34,507.28/51,771.84 = 12,320.18/x
  3. Step 3: Cross multiply
    34,507.28x = 51,771.84 × 12,320.18
  4. Step 4: Simplify right side
    34,507.28x = 637,838,387.73
  5. Step 5: Solve for x
    x = 637,838,387.73/34,507.28
  6. Step 6: Final answer
    x = 18,484.17

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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.