Home / 51,287.67-70,776.45-30,062.84

Finding the Fourth Proportional to 51,287.67, 70,776.45 and 30,062.84

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Solution

The fourth proportional to 51,287.67, 70,776.45 and 30,062.84 is: 41,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.67 : 70,776.45 = 30,062.84 : x
  2. Step 2: Convert to fraction form
    51,287.67/70,776.45 = 30,062.84/x
  3. Step 3: Cross multiply
    51,287.67x = 70,776.45 × 30,062.84
  4. Step 4: Simplify right side
    51,287.67x = 2,127,740,738.24
  5. Step 5: Solve for x
    x = 2,127,740,738.24/51,287.67
  6. Step 6: Final answer
    x = 41,486.40

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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.