Home / 48,551.04-72,878.40-20,868.48

Finding the Fourth Proportional to 48,551.04, 72,878.40 and 20,868.48

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Solution

The fourth proportional to 48,551.04, 72,878.40 and 20,868.48 is: 31,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,551.04 : 72,878.40 = 20,868.48 : x
  2. Step 2: Convert to fraction form
    48,551.04/72,878.40 = 20,868.48/x
  3. Step 3: Cross multiply
    48,551.04x = 72,878.40 × 20,868.48
  4. Step 4: Simplify right side
    48,551.04x = 1,520,861,432.83
  5. Step 5: Solve for x
    x = 1,520,861,432.83/48,551.04
  6. Step 6: Final answer
    x = 31,325.00

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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.