Home / 48,836.09-67,394.14-28,430.30

Finding the Fourth Proportional to 48,836.09, 67,394.14 and 28,430.30

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Solution

The fourth proportional to 48,836.09, 67,394.14 and 28,430.30 is: 39,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,836.09 : 67,394.14 = 28,430.30 : x
  2. Step 2: Convert to fraction form
    48,836.09/67,394.14 = 28,430.30/x
  3. Step 3: Cross multiply
    48,836.09x = 67,394.14 × 28,430.30
  4. Step 4: Simplify right side
    48,836.09x = 1,916,035,715.85
  5. Step 5: Solve for x
    x = 1,916,035,715.85/48,836.09
  6. Step 6: Final answer
    x = 39,234.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.