Home / 49,863.35-74,809.10-20,302.40

Finding the Fourth Proportional to 49,863.35, 74,809.10 and 20,302.40

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Solution

The fourth proportional to 49,863.35, 74,809.10 and 20,302.40 is: 30,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,863.35 : 74,809.10 = 20,302.40 : x
  2. Step 2: Convert to fraction form
    49,863.35/74,809.10 = 20,302.40/x
  3. Step 3: Cross multiply
    49,863.35x = 74,809.10 × 20,302.40
  4. Step 4: Simplify right side
    49,863.35x = 1,518,804,509.62
  5. Step 5: Solve for x
    x = 1,518,804,509.62/49,863.35
  6. Step 6: Final answer
    x = 30,459.33

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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.