Home / 48,808.50-67,356.19-28,671.83

Finding the Fourth Proportional to 48,808.50, 67,356.19 and 28,671.83

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Solution

The fourth proportional to 48,808.50, 67,356.19 and 28,671.83 is: 39,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.50 : 67,356.19 = 28,671.83 : x
  2. Step 2: Convert to fraction form
    48,808.50/67,356.19 = 28,671.83/x
  3. Step 3: Cross multiply
    48,808.50x = 67,356.19 × 28,671.83
  4. Step 4: Simplify right side
    48,808.50x = 1,931,225,229.13
  5. Step 5: Solve for x
    x = 1,931,225,229.13/48,808.50
  6. Step 6: Final answer
    x = 39,567.40

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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.