Home / 56,262.14-77,638.62-30,763.45

Finding the Fourth Proportional to 56,262.14, 77,638.62 and 30,763.45

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Solution

The fourth proportional to 56,262.14, 77,638.62 and 30,763.45 is: 42,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262.14 : 77,638.62 = 30,763.45 : x
  2. Step 2: Convert to fraction form
    56,262.14/77,638.62 = 30,763.45/x
  3. Step 3: Cross multiply
    56,262.14x = 77,638.62 × 30,763.45
  4. Step 4: Simplify right side
    56,262.14x = 2,388,431,407.09
  5. Step 5: Solve for x
    x = 2,388,431,407.09/56,262.14
  6. Step 6: Final answer
    x = 42,451.84

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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.