Home / 39,935.60-59,863.44-20,154.32

Finding the Fourth Proportional to 39,935.60, 59,863.44 and 20,154.32

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Solution

The fourth proportional to 39,935.60, 59,863.44 and 20,154.32 is: 30,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.60 : 59,863.44 = 20,154.32 : x
  2. Step 2: Convert to fraction form
    39,935.60/59,863.44 = 20,154.32/x
  3. Step 3: Cross multiply
    39,935.60x = 59,863.44 × 20,154.32
  4. Step 4: Simplify right side
    39,935.60x = 1,206,506,926.06
  5. Step 5: Solve for x
    x = 1,206,506,926.06/39,935.60
  6. Step 6: Final answer
    x = 30,211.31

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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.