Home / 34,363.70-51,515.55-13,318.10

Finding the Fourth Proportional to 34,363.70, 51,515.55 and 13,318.10

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Solution

The fourth proportional to 34,363.70, 51,515.55 and 13,318.10 is: 19,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.70 : 51,515.55 = 13,318.10 : x
  2. Step 2: Convert to fraction form
    34,363.70/51,515.55 = 13,318.10/x
  3. Step 3: Cross multiply
    34,363.70x = 51,515.55 × 13,318.10
  4. Step 4: Simplify right side
    34,363.70x = 686,089,246.46
  5. Step 5: Solve for x
    x = 686,089,246.46/34,363.70
  6. Step 6: Final answer
    x = 19,965.52

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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.