Home / 41,287.02-61,931.34-13,212.42

Finding the Fourth Proportional to 41,287.02, 61,931.34 and 13,212.42

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Solution

The fourth proportional to 41,287.02, 61,931.34 and 13,212.42 is: 19,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.02 : 61,931.34 = 13,212.42 : x
  2. Step 2: Convert to fraction form
    41,287.02/61,931.34 = 13,212.42/x
  3. Step 3: Cross multiply
    41,287.02x = 61,931.34 × 13,212.42
  4. Step 4: Simplify right side
    41,287.02x = 818,262,875.24
  5. Step 5: Solve for x
    x = 818,262,875.24/41,287.02
  6. Step 6: Final answer
    x = 19,818.89

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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.