Home / 39,248.87-58,865.06-12,947.45

Finding the Fourth Proportional to 39,248.87, 58,865.06 and 12,947.45

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Solution

The fourth proportional to 39,248.87, 58,865.06 and 12,947.45 is: 19,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.87 : 58,865.06 = 12,947.45 : x
  2. Step 2: Convert to fraction form
    39,248.87/58,865.06 = 12,947.45/x
  3. Step 3: Cross multiply
    39,248.87x = 58,865.06 × 12,947.45
  4. Step 4: Simplify right side
    39,248.87x = 762,152,062.03
  5. Step 5: Solve for x
    x = 762,152,062.03/39,248.87
  6. Step 6: Final answer
    x = 19,418.45

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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.