Home / 48,678.59-72,988.32-19,060.94

Finding the Fourth Proportional to 48,678.59, 72,988.32 and 19,060.94

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Solution

The fourth proportional to 48,678.59, 72,988.32 and 19,060.94 is: 28,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.59 : 72,988.32 = 19,060.94 : x
  2. Step 2: Convert to fraction form
    48,678.59/72,988.32 = 19,060.94/x
  3. Step 3: Cross multiply
    48,678.59x = 72,988.32 × 19,060.94
  4. Step 4: Simplify right side
    48,678.59x = 1,391,225,988.22
  5. Step 5: Solve for x
    x = 1,391,225,988.22/48,678.59
  6. Step 6: Final answer
    x = 28,579.83

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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.