Home / 39,409.84-59,123.67-13,115.62

Finding the Fourth Proportional to 39,409.84, 59,123.67 and 13,115.62

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Solution

The fourth proportional to 39,409.84, 59,123.67 and 13,115.62 is: 19,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.84 : 59,123.67 = 13,115.62 : x
  2. Step 2: Convert to fraction form
    39,409.84/59,123.67 = 13,115.62/x
  3. Step 3: Cross multiply
    39,409.84x = 59,123.67 × 13,115.62
  4. Step 4: Simplify right side
    39,409.84x = 775,443,588.73
  5. Step 5: Solve for x
    x = 775,443,588.73/39,409.84
  6. Step 6: Final answer
    x = 19,676.40

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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.