Home / 39,130.43-58,702.95-12,842.69

Finding the Fourth Proportional to 39,130.43, 58,702.95 and 12,842.69

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Solution

The fourth proportional to 39,130.43, 58,702.95 and 12,842.69 is: 19,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.43 : 58,702.95 = 12,842.69 : x
  2. Step 2: Convert to fraction form
    39,130.43/58,702.95 = 12,842.69/x
  3. Step 3: Cross multiply
    39,130.43x = 58,702.95 × 12,842.69
  4. Step 4: Simplify right side
    39,130.43x = 753,903,788.94
  5. Step 5: Solve for x
    x = 753,903,788.94/39,130.43
  6. Step 6: Final answer
    x = 19,266.43

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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.