Home / 55,393.48-76,442.61-30,242.98

Finding the Fourth Proportional to 55,393.48, 76,442.61 and 30,242.98

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Solution

The fourth proportional to 55,393.48, 76,442.61 and 30,242.98 is: 41,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,393.48 : 76,442.61 = 30,242.98 : x
  2. Step 2: Convert to fraction form
    55,393.48/76,442.61 = 30,242.98/x
  3. Step 3: Cross multiply
    55,393.48x = 76,442.61 × 30,242.98
  4. Step 4: Simplify right side
    55,393.48x = 2,311,852,325.38
  5. Step 5: Solve for x
    x = 2,311,852,325.38/55,393.48
  6. Step 6: Final answer
    x = 41,735.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.