Home / 39,065.70-58,602.67-12,770.40

Finding the Fourth Proportional to 39,065.70, 58,602.67 and 12,770.40

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Solution

The fourth proportional to 39,065.70, 58,602.67 and 12,770.40 is: 19,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.70 : 58,602.67 = 12,770.40 : x
  2. Step 2: Convert to fraction form
    39,065.70/58,602.67 = 12,770.40/x
  3. Step 3: Cross multiply
    39,065.70x = 58,602.67 × 12,770.40
  4. Step 4: Simplify right side
    39,065.70x = 748,379,796.64
  5. Step 5: Solve for x
    x = 748,379,796.64/39,065.70
  6. Step 6: Final answer
    x = 19,156.95

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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.