Home / 39,930.80-59,896.20-25,156.40

Finding the Fourth Proportional to 39,930.80, 59,896.20 and 25,156.40

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Solution

The fourth proportional to 39,930.80, 59,896.20 and 25,156.40 is: 37,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.80 : 59,896.20 = 25,156.40 : x
  2. Step 2: Convert to fraction form
    39,930.80/59,896.20 = 25,156.40/x
  3. Step 3: Cross multiply
    39,930.80x = 59,896.20 × 25,156.40
  4. Step 4: Simplify right side
    39,930.80x = 1,506,772,765.68
  5. Step 5: Solve for x
    x = 1,506,772,765.68/39,930.80
  6. Step 6: Final answer
    x = 37,734.60

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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.