Home / 48,465.68-72,671.18-18,849.60

Finding the Fourth Proportional to 48,465.68, 72,671.18 and 18,849.60

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Solution

The fourth proportional to 48,465.68, 72,671.18 and 18,849.60 is: 28,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.68 : 72,671.18 = 18,849.60 : x
  2. Step 2: Convert to fraction form
    48,465.68/72,671.18 = 18,849.60/x
  3. Step 3: Cross multiply
    48,465.68x = 72,671.18 × 18,849.60
  4. Step 4: Simplify right side
    48,465.68x = 1,369,822,580.28
  5. Step 5: Solve for x
    x = 1,369,822,580.28/48,465.68
  6. Step 6: Final answer
    x = 28,263.77

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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.