Home / 39,235.20-58,876.80-15,859.20

Finding the Fourth Proportional to 39,235.20, 58,876.80 and 15,859.20

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Solution

The fourth proportional to 39,235.20, 58,876.80 and 15,859.20 is: 23,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.20 : 58,876.80 = 15,859.20 : x
  2. Step 2: Convert to fraction form
    39,235.20/58,876.80 = 15,859.20/x
  3. Step 3: Cross multiply
    39,235.20x = 58,876.80 × 15,859.20
  4. Step 4: Simplify right side
    39,235.20x = 933,738,946.56
  5. Step 5: Solve for x
    x = 933,738,946.56/39,235.20
  6. Step 6: Final answer
    x = 23,798.50

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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.