Home / 48,338.88-72,518.98-19,875.74

Finding the Fourth Proportional to 48,338.88, 72,518.98 and 19,875.74

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Solution

The fourth proportional to 48,338.88, 72,518.98 and 19,875.74 is: 29,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338.88 : 72,518.98 = 19,875.74 : x
  2. Step 2: Convert to fraction form
    48,338.88/72,518.98 = 19,875.74/x
  3. Step 3: Cross multiply
    48,338.88x = 72,518.98 × 19,875.74
  4. Step 4: Simplify right side
    48,338.88x = 1,441,368,391.55
  5. Step 5: Solve for x
    x = 1,441,368,391.55/48,338.88
  6. Step 6: Final answer
    x = 29,817.99

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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.