Home / 31,380.08-43,322.61-23,813.18

Finding the Fourth Proportional to 31,380.08, 43,322.61 and 23,813.18

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Solution

The fourth proportional to 31,380.08, 43,322.61 and 23,813.18 is: 32,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.08 : 43,322.61 = 23,813.18 : x
  2. Step 2: Convert to fraction form
    31,380.08/43,322.61 = 23,813.18/x
  3. Step 3: Cross multiply
    31,380.08x = 43,322.61 × 23,813.18
  4. Step 4: Simplify right side
    31,380.08x = 1,031,648,893.39
  5. Step 5: Solve for x
    x = 1,031,648,893.39/31,380.08
  6. Step 6: Final answer
    x = 32,875.92

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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.