Home / 43,678.28-60,196.10-31,720.86

Finding the Fourth Proportional to 43,678.28, 60,196.10 and 31,720.86

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Solution

The fourth proportional to 43,678.28, 60,196.10 and 31,720.86 is: 43,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678.28 : 60,196.10 = 31,720.86 : x
  2. Step 2: Convert to fraction form
    43,678.28/60,196.10 = 31,720.86/x
  3. Step 3: Cross multiply
    43,678.28x = 60,196.10 × 31,720.86
  4. Step 4: Simplify right side
    43,678.28x = 1,909,471,902.04
  5. Step 5: Solve for x
    x = 1,909,471,902.04/43,678.28
  6. Step 6: Final answer
    x = 43,716.74

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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.