Home / 34,311.40-51,428.70-14,586.60

Finding the Fourth Proportional to 34,311.40, 51,428.70 and 14,586.60

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Solution

The fourth proportional to 34,311.40, 51,428.70 and 14,586.60 is: 21,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.40 : 51,428.70 = 14,586.60 : x
  2. Step 2: Convert to fraction form
    34,311.40/51,428.70 = 14,586.60/x
  3. Step 3: Cross multiply
    34,311.40x = 51,428.70 × 14,586.60
  4. Step 4: Simplify right side
    34,311.40x = 750,169,875.42
  5. Step 5: Solve for x
    x = 750,169,875.42/34,311.40
  6. Step 6: Final answer
    x = 21,863.58

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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.