Home / 39,608.87-59,418.23-12,957.57

Finding the Fourth Proportional to 39,608.87, 59,418.23 and 12,957.57

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Solution

The fourth proportional to 39,608.87, 59,418.23 and 12,957.57 is: 19,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,608.87 : 59,418.23 = 12,957.57 : x
  2. Step 2: Convert to fraction form
    39,608.87/59,418.23 = 12,957.57/x
  3. Step 3: Cross multiply
    39,608.87x = 59,418.23 × 12,957.57
  4. Step 4: Simplify right side
    39,608.87x = 769,915,809.71
  5. Step 5: Solve for x
    x = 769,915,809.71/39,608.87
  6. Step 6: Final answer
    x = 19,437.97

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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.