Home / 48,035.78-72,052.13-21,740.55

Finding the Fourth Proportional to 48,035.78, 72,052.13 and 21,740.55

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Solution

The fourth proportional to 48,035.78, 72,052.13 and 21,740.55 is: 32,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,035.78 : 72,052.13 = 21,740.55 : x
  2. Step 2: Convert to fraction form
    48,035.78/72,052.13 = 21,740.55/x
  3. Step 3: Cross multiply
    48,035.78x = 72,052.13 × 21,740.55
  4. Step 4: Simplify right side
    48,035.78x = 1,566,453,124.32
  5. Step 5: Solve for x
    x = 1,566,453,124.32/48,035.78
  6. Step 6: Final answer
    x = 32,610.13

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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.