Home / 43,909.47-65,864.25-20,552.31

Finding the Fourth Proportional to 43,909.47, 65,864.25 and 20,552.31

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Solution

The fourth proportional to 43,909.47, 65,864.25 and 20,552.31 is: 30,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.47 : 65,864.25 = 20,552.31 : x
  2. Step 2: Convert to fraction form
    43,909.47/65,864.25 = 20,552.31/x
  3. Step 3: Cross multiply
    43,909.47x = 65,864.25 × 20,552.31
  4. Step 4: Simplify right side
    43,909.47x = 1,353,662,483.92
  5. Step 5: Solve for x
    x = 1,353,662,483.92/43,909.47
  6. Step 6: Final answer
    x = 30,828.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.