Home / 40,262.72-60,364.90-20,284.52

Finding the Fourth Proportional to 40,262.72, 60,364.90 and 20,284.52

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Solution

The fourth proportional to 40,262.72, 60,364.90 and 20,284.52 is: 30,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.72 : 60,364.90 = 20,284.52 : x
  2. Step 2: Convert to fraction form
    40,262.72/60,364.90 = 20,284.52/x
  3. Step 3: Cross multiply
    40,262.72x = 60,364.90 × 20,284.52
  4. Step 4: Simplify right side
    40,262.72x = 1,224,473,021.35
  5. Step 5: Solve for x
    x = 1,224,473,021.35/40,262.72
  6. Step 6: Final answer
    x = 30,412.08

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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.