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Finding the Fourth Proportional to 40,483.86, 55,871.94 and 23,483.04

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Solution

The fourth proportional to 40,483.86, 55,871.94 and 23,483.04 is: 32,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,483.86 : 55,871.94 = 23,483.04 : x
  2. Step 2: Convert to fraction form
    40,483.86/55,871.94 = 23,483.04/x
  3. Step 3: Cross multiply
    40,483.86x = 55,871.94 × 23,483.04
  4. Step 4: Simplify right side
    40,483.86x = 1,312,043,001.90
  5. Step 5: Solve for x
    x = 1,312,043,001.90/40,483.86
  6. Step 6: Final answer
    x = 32,409.04

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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.