Home / 40,018.86-55,221.28-23,883.19

Finding the Fourth Proportional to 40,018.86, 55,221.28 and 23,883.19

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Solution

The fourth proportional to 40,018.86, 55,221.28 and 23,883.19 is: 32,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.86 : 55,221.28 = 23,883.19 : x
  2. Step 2: Convert to fraction form
    40,018.86/55,221.28 = 23,883.19/x
  3. Step 3: Cross multiply
    40,018.86x = 55,221.28 × 23,883.19
  4. Step 4: Simplify right side
    40,018.86x = 1,318,860,124.52
  5. Step 5: Solve for x
    x = 1,318,860,124.52/40,018.86
  6. Step 6: Final answer
    x = 32,955.96

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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.